aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/crystalhd
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2010-04-27 20:15:07 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-11 11:35:36 -0700
commitb1f2ac07636aadee5cb077fc7e830908b00fcaae (patch)
tree852211194d15c11389037dce6c413270683c4f26 /drivers/staging/crystalhd
parent59200df52cf7d4bfb93aeb30289a8e9d2af3058d (diff)
Staging: push down BKL into ioctl functions
Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/crystalhd')
-rw-r--r--drivers/staging/crystalhd/crystalhd_lnx.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
index 58fd91af091..6090a1d5954 100644
--- a/drivers/staging/crystalhd/crystalhd_lnx.c
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -16,6 +16,7 @@
***************************************************************************/
#include <linux/version.h>
+#include <linux/smp_lock.h>
#include <linux/slab.h>
#include "crystalhd_lnx.h"
@@ -261,12 +262,12 @@ static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
}
/* API interfaces */
-static int chd_dec_ioctl(struct inode *in, struct file *fd,
- unsigned int cmd, unsigned long ua)
+static long chd_dec_ioctl(struct file *fd, unsigned int cmd, unsigned long ua)
{
struct crystalhd_adp *adp = chd_get_adp();
crystalhd_cmd_proc cproc;
struct crystalhd_user *uc;
+ int ret;
if (!adp || !fd) {
BCMLOG_ERR("Invalid adp\n");
@@ -279,13 +280,17 @@ static int chd_dec_ioctl(struct inode *in, struct file *fd,
return -ENODATA;
}
+ lock_kernel();
cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
if (!cproc) {
BCMLOG_ERR("Unhandled command: %d\n", cmd);
+ unlock_kernel();
return -EINVAL;
}
- return chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
+ ret = chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
+ unlock_kernel();
+ return ret;
}
static int chd_dec_open(struct inode *in, struct file *fd)
@@ -345,7 +350,7 @@ static int chd_dec_close(struct inode *in, struct file *fd)
static const struct file_operations chd_dec_fops = {
.owner = THIS_MODULE,
- .ioctl = chd_dec_ioctl,
+ .unlocked_ioctl = chd_dec_ioctl,
.open = chd_dec_open,
.release = chd_dec_close,
};