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path: root/arch/alpha/kernel/osf_sys.c
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Diffstat (limited to 'arch/alpha/kernel/osf_sys.c')
-rw-r--r--arch/alpha/kernel/osf_sys.c41
1 files changed, 18 insertions, 23 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 63e77e3944c..1e6956a9060 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -449,7 +449,7 @@ osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
- char *devname;
+ struct filename *devname;
retval = -EFAULT;
if (copy_from_user(&tmp, args, sizeof(tmp)))
@@ -458,7 +458,7 @@ osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags)
retval = PTR_ERR(devname);
if (IS_ERR(devname))
goto out;
- retval = do_mount(devname, dirname, "ext2", flags, NULL);
+ retval = do_mount(devname->name, dirname, "ext2", flags, NULL);
putname(devname);
out:
return retval;
@@ -469,7 +469,7 @@ osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
- char *devname;
+ struct filename *devname;
retval = -EFAULT;
if (copy_from_user(&tmp, args, sizeof(tmp)))
@@ -478,7 +478,7 @@ osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags)
retval = PTR_ERR(devname);
if (IS_ERR(devname))
goto out;
- retval = do_mount(devname, dirname, "iso9660", flags, NULL);
+ retval = do_mount(devname->name, dirname, "iso9660", flags, NULL);
putname(devname);
out:
return retval;
@@ -499,7 +499,7 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path,
int, flag, void __user *, data)
{
int retval;
- char *name;
+ struct filename *name;
name = getname(path);
retval = PTR_ERR(name);
@@ -507,13 +507,13 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, const char __user *, path,
goto out;
switch (typenr) {
case 1:
- retval = osf_ufs_mount(name, data, flag);
+ retval = osf_ufs_mount(name->name, data, flag);
break;
case 6:
- retval = osf_cdfs_mount(name, data, flag);
+ retval = osf_cdfs_mount(name->name, data, flag);
break;
case 9:
- retval = osf_procfs_mount(name, data, flag);
+ retval = osf_procfs_mount(name->name, data, flag);
break;
default:
retval = -EINVAL;
@@ -793,8 +793,7 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer,
case GSI_UACPROC:
if (nbytes < sizeof(unsigned int))
return -EINVAL;
- w = (current_thread_info()->flags >> ALPHA_UAC_SHIFT) &
- UAC_BITMASK;
+ w = current_thread_info()->status & UAC_BITMASK;
if (put_user(w, (unsigned int __user *)buffer))
return -EFAULT;
return 1;
@@ -904,24 +903,20 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
break;
case SSI_NVPAIRS: {
- unsigned long v, w, i;
- unsigned int old, new;
+ unsigned __user *p = buffer;
+ unsigned i;
- for (i = 0; i < nbytes; ++i) {
+ for (i = 0, p = buffer; i < nbytes; ++i, p += 2) {
+ unsigned v, w, status;
- if (get_user(v, 2*i + (unsigned int __user *)buffer))
- return -EFAULT;
- if (get_user(w, 2*i + 1 + (unsigned int __user *)buffer))
+ if (get_user(v, p) || get_user(w, p + 1))
return -EFAULT;
switch (v) {
case SSIN_UACPROC:
- again:
- old = current_thread_info()->flags;
- new = old & ~(UAC_BITMASK << ALPHA_UAC_SHIFT);
- new = new | (w & UAC_BITMASK) << ALPHA_UAC_SHIFT;
- if (cmpxchg(&current_thread_info()->flags,
- old, new) != old)
- goto again;
+ w &= UAC_BITMASK;
+ status = current_thread_info()->status;
+ status = (status & ~UAC_BITMASK) | w;
+ current_thread_info()->status = status;
break;
default: