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path: root/drivers/staging/ks7010/ks_wlan_net.c
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2017-07-16staging: ks7010: Fix cast to restricted __le16 in ks_wlan_net.cJanusz Lisiecki
This patch fixes the following Sparse warnings in ks_wlan_net.c: drivers/staging/ks7010/ks_wlan_net.c:1359:24: warning: cast to restricted __le16 link_ap_info_t structure field 'capability' has native order and is used everywhere in the code in such way (i.e get_ap_information, get_current_ap). Both sides of assignment are u16 (native order) so 'le16_to_cpu' is not needed and wrong. Signed-off-by: Janusz Lisiecki <janusz.lisiecki@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-29staging: ks7010: fix spelling mistake: "errror" -> "error"Colin Ian King
Trivial fix to spelling mistake in netdev_err message Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-15staging: ks7010: avoid CamelCase in fields of struct local_gain_tJanusz Lisiecki
Replace CamelCase fields of struct with underscores to comply with the standard kernel coding style Signed-off-by: Janusz Lisiecki <janusz.lisiecki@gmail.com> Reviewed-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-28staging: ks7010: remove cast from netdev_priv()Tobin C. Harding
The returned pointer from netdev_priv() (void *) does not need to be cast. Remove unnecessary cast of void * returned by netdev_priv(). Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-28staging: ks7010: make abbreviation mgmt uniformTobin C. Harding
Driver currently uses abbreviations 'mgt' and 'mngmt' for 'management'. Also 'power' is sometimes abbreviated to 'pow' and other times not. It makes the code easier to read and easier to modify if one abbreviation is used throughout the driver. 'mgmt' is widely accepted as an abbreviation of 'management'. 'power' can be spelled out in full, the extra two characters aids readability without an excessive cost. Make abbreviation of 'management' uniform across the driver, function names, preprocessor defined constants, and enumeration types. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-28staging: ks7010: abstract connection statusTobin C. Harding
Host interface connection status is handled using a 32 bit type. Top byte is used as for FORCE_DISCONNECT status, low bits are used for connect/disconnect status. Driver masks and checks integers to ascertain status. If functions are defined to do the masking and equality check then the details of how the status integer is used are abstracted away. This makes the code easier to read. Also future updates to the status handling will be easier because the code is in one place. Driver currently uses the CONNECT_STATUS and DISCONNECT_STATUS as values, as apposed to opaque values. Because of this driver code checks for equality with CONNECT_STATUS and DISCONNECT_STATUS as apposed to negating a single check (ie 'foo != CONNECT_STATUS). In order to maintain the current functionality we define two separate functions is_connect_status() and is_disconnect_status(). Add functions to abstract the status integer check. Update all sites that do the check manually to use the newly defined functions. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18staging: ks7010: fix complete_handlerTobin C. Harding
complete_handler() takes void * types as parameters. void * parameters are then cast to struct types. Call sites for this function either pass in NULL or pointers to the struct types cast to void *. This casting is unnecessary and can be removed. Struct tx_device_buffer (which contains a pointer member to the complete_handler() function) has as member 'ks_wlan_priv *priv' this is unnecessary, we always have a pointer to this struct there is no need to store it here. The complete_handler can be more clearly defined by using struct pointer types instead of void * types. The code is currently unnecessarily complex, storing and passing extraneous pointer parameters. Remove unnecessary parameters, unnecessary casting to/from 'void *'. Fix all call sites involving complete_handler(). Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: fix checkpatch UNNECESSARY_ELSETobin C. Harding
Checkpatch emits WARNING: else is not generally useful after a break or return. Two warnings of this type are emitted for this code block, in both cases 'else' statements are unnecessary. Remove unnecessary 'else' statements, reduce indentation in subsequent code. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: fix checkpatch PARENTHESIS_ALIGNMENTTobin C. Harding
Checkpatch emits CHECK: Alignment should match open parenthesis. Align argument to open parenthesis. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: utilize local variableTobin C. Harding
Function contains a local pointer variable defined to a memory location within a structure. This memory location is later used by dereferencing the struct instead of using the local pointer. The code is cleaner if all references of the same memory location use the local variable. Utilize existing local pointer variable instead of dereferencing struct. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: simplify calls to memcpy()Tobin C. Harding
Function uses overly complex calls to memcpy(). Code may be simplified by the use of a local variable. Code sometimes uses explicit address of initial array element and sometimes does not. Uniformity aids readability. If array pointers are explicit it aids readability further. Simplify calls to memcpy(). Add local pointer variable, define it to the correct memory location. Use newly defined variable in calls to memcpy(). Be uniform in use of explicit address of first element of array (&foo[0]). Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: move null check before dereferenceTobin C. Harding
Function parameter is cast to a local pointer which is then dereferenced before it is checked to be non-NULL. Move pointer null check to be before the pointer is dereferenced. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: fix multi-way decisionTobin C. Harding
Multi-way decision contains two anomalies. Firstly, a local variable is defined to be the inverse truth variable of a struct member. This local variable is used as the conditional to the multi-way decision. This is unnecessary, the same logic can be expressed using the struct member directly. Secondly, there are four branches in the multi-way decision, two of which can never be executed. This is dead code. Remove unnecessary local variable. Remove two branches of multi-way decision statement that can never be executed. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-11staging: ks7010: rename identifier rc to retTobin C. Harding
Driver uses identifier 'rc' to hold the value for error return code. The rest of the driver predominately uses 'ret' for this purpose. It is easier to follow the code if one name is used for one task. Rename identifier 'rc' to 'ret'. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23staging: ks7010: add explicit check to 'size' variablesTobin C. Harding
When checking the value of a variable that holds a 0 an explicit check is good style. i.e - if (!size) + if (size == 0) Update checks on 'numerical' variables to use explicit checks. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23staging: ks7010: add explicit check to memcmp() callsTobin C. Harding
Calls to functions memcmp() and strcmp() are more clearly readable when the return value is explicitly checked. i.e if (memcmp(foo, bar, size) == 0) Modify driver to use an explicit check on the value returned by memcmp(). Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-21staging: ks7010: rename return value identifierTobin C. Harding
Driver uses multiple identifier names for the same task (retval, ret, rc). It would be easier to read the code if a single task is identified with a single name. 'ret' is the most common return value identifier name found in the kernel tree, following the principle of least surprise using 'ret' is a decent choice. Rename rc -> ret Rename retval -> ret Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-21staging: ks7010: remove zero comparisonTobin C. Harding
Comparison, equal to zero, is redundant 'if (foo == 0)' is equal to 'if (!foo)' Typical kernel coding style is to use the shorter form. Remove unnecessary zero comparison. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-21staging: ks7010: return directly on errorTobin C. Harding
Function uses goto label with no clean up code. In this case we should just return directly. Remove goto statement, return directly on error. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-21staging: ks7010: fix checkpatch PARENTHESIS_ALIGNMENTTobin C. Harding
Checkpatch emits CHECK: Alignment should match open parenthesis. Fix alignment to open parenthesis in line with kernel coding style. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-21staging: ks7010: fix checkpatch LINE_SPACINGTobin C. Harding
Checkpatch emits CHECK: Please use a blank line after function/struct/union/enum declarations. Add blank line after function definition. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16staging: ks7010: remove dead codeTobin C. Harding
Driver has dead code compiled out using preprocessor directives. TODO file asks for these not to be removed - ignore this. Remove dead code. Remove 'do not remove #if 0/1 ...' from TODO file. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16staging: ks7010: remove superfluous commentsTobin C. Harding
Driver uses custom function comment format. These comments are on functions with internal likage. Comment string /*--------/* adds nothing to the driver. Comment 'Wireless Handler' does not have allot of meaning. Remove superfluous function comments. Leave comments that add meaning. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16staging: ks7010: remove custom return valuesTobin C. Harding
Driver code uses custom return values (often positive) to signal error condition instead of using standard kernel error codes. Replace custom return values with standard kernel error codes. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-16staging: ks7010: fix off by one errorTobin C. Harding
Bug introduced in commit 7676b72 by Tobin C. Harding. Remove equals sign from comparison, fixing off by one error. Fixes: 7676b72428e8 ("staging: ks7010: move comparison to right hand side") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: refactor, whitespace onlyTobin C. Harding
Code may be refactored to take advantage of previous patches which reduced the level of indentation. Function parameter line breaks can be adjusted in line with kernel coding standards. Refactor layout of function call parameters. Make whitespace changes only. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: reduce level of indentationTobin C. Harding
Checkpatch emits WARNING: Too many leading tabs - consider code refactoring. One level of indentation may be removed by inverting an if statement conditional (and returning if new conditional evaluates to true). Code contains switch statement that also contains multiple layers of indentation. Indentation may be reduced by breaking out of the case statement in multiple places instead of guarding code with if/else statements. Invert conditional. Return original error code if new conditional evaluates to true. Break out of case blocks instead of using if/else. Do not modify program logic. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: fix checkpatch memset warningTobin C. Harding
Checkpatch emits WARNING: single byte memset is suspicious. Swapped 2nd/3rd argument? Call site in question is correct but is an unusual use of memset() to zero a single byte. The same can be achieved by assigning 0 directly to the memory location. Dereference pointer and assign 0 to that memory location. Use '\0' to make explicit that it is a char pointer. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: remove unnecessary castTobin C. Harding
Return value from kmalloc() does not require a cast. Remove unnecessary cast. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: remove unnecessary else statementTobin C. Harding
Checkpatch emits WARNING: else is not generally useful after a break or return. Two warnings of this type are emitted, both are the result of a else statement after a return statement. The 'else' can safely be removed. Remove unnecessary else statement. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: move comparison to right hand sideTobin C. Harding
Checkpatch emits WARNING: Comparisons should place the constant on the right side of the test. Move constant to right hand side of test, modify operator to ensure logic is maintained. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: remove multiple assignmentTobin C. Harding
Checkpatch emits CHECK: multiple assignments should be avoided. Move multiple assignment onto separate lines. Fix comment to use more natural English. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: remove dead codeTobin C. Harding
Checkpatch emits CHECK: Alignment should match open parenthesis. This is due to commented out code. Remove commented out (dead) code. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: fix logical line continuationTobin C. Harding
Checkpatch emits CHECK: Logical continuations should be on the previous line. Move logical continuation to previous line. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: fix checkpatch BLOCK_COMMENT_STYLETobin C. Harding
Checkpatch emits block comments warnings. Change comments blocks to be inline with kernel coding style for networking code. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-14staging: ks7010: fix checkpatch SPACINGTobin C. Harding
Checkpatch emits over 100 instances of CHECK: No space is necessary after a cast. Remove unnecessary space. Signed-off-by: Tobin C. Harding <me@tobin.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-12Staging: ks7010: ks_*: Use preferred 'u8' kernel type over 'uint8_t'Shiva Kerdel
Fix prefer kernel type 'u8' over 'uint8_t' checks. Signed-off-by: Shiva Kerdel <shiva@exdev.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-09staging: ks7010: Unnecessary parentheses removed and improved coding style.Arushi Singhal
Unnecessary parentheses are removed as reported by checkpatch.pl to make coder nicer and to improve readability. Also coding style is improved as it's often nicer to read if &(foo[0]) is converted to foo like: memcpy(&(ap->bssid[0]), &(ap_info->bssid[0]), ETH_ALEN); memcpy(ap->bssid, ap_info->bssid, ETH_ALEN); Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-06Staging: ks7010: ks_*: Braces should be used on all arms of these statementsShiva Kerdel
Braces should be used on all arms of these statements (CHECK).. Signed-off-by: Shiva Kerdel <shiva@exdev.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-16Staging: ks7010: Add required and preferred spaces around operatorsShiva Kerdel
Spaces should be added around operators to improve readability and are required in some cases. Signed-off-by: Shiva Kerdel <shiva@exdev.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-16Staging: ks7010: ks*: Remove redundant blank linesShiva Kerdel
Multiple blank lines shouldn't be used. Signed-off-by: Shiva Kerdel <shiva@exdev.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-02-12Staging: ks7010: ks_*: Removed blank lines before and after braces.Shiva Kerdel
Removing unnecessary blank lines around braces to solve CHECKS. Signed-off-by: Shiva Kerdel <shiva@exdev.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-16staging: ks7010: Fix brace style issue in ks_wlan_net.cDavid Wittman
This change fixes a checkpatch error for "that open brace { should be on the previous line" as well as a related spacing warning. Signed-off-by: David Wittman <dwittman@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-12-06staging: ks7010: fixed 'space prohibited after that *' erros.Yamanappagouda Patil
Fixed checkpatch.pl errors related to "space prohibited after that '*' or '&'" in ks_wlan_net.c file. Signed-off-by: Yamanappagouda Patil <goudapatilk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-12-06staging: ks7010: Fixed 'missing blank line after declaration' warnings.Yamanappagouda Patil
Fixed checkpatch.pl warnings 'Missing blank line after declaration' in ks_wlan_net.c file. Signed-off-by: Yamanappagouda Patil <goudapatilk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-29Staging: ks7010: Fixed {} brace warnings for single statement blocks.Yamanappagouda Patil
Fixed checkpatch.pl warnings related to {} brace warnings for single statement blocks. Signed-off-by: Yamanappagouda Patil <goudapatilk@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-25staging: ks7010: ks_wlan_net: Use setup_timer instead of init_timer and data ↵Wei Yongjun
fields Use setup_timer function instead of initializing timer with the function and data fields Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-16staging: ks7010: Fixes warning :do not add new typedefsSabitha George
Fixes checkpatch.pl warning: do not add new typedefs in ks_wlan_net.c Signed-off-by: Sabitha George <sabitha.george@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-16staging: ks7010: Fixes error "foo * bar should be foo *bar"Sabitha George
Fixes checkpatch warning on ks_wlan_net.c: foo * bar should be foo *bar Signed-off-by: Sabitha George <sabitha.george@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-16staging: ks7010: Replace asm/uaccess.h and asm/atomic.hSabitha George
Replaces inclusion of asm/uaccess.h with linux/uaccess.h and asm/atomic.h with linux/atomic.h in ks_wlan_net.c Signed-off-by: Sabitha George <sabitha.george@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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