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path: root/fs/compat.c
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Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 8e71cdbecc7c..818634120b69 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -168,8 +168,8 @@ asmlinkage long compat_sys_statfs(const char __user *path, struct compat_statfs
if (!error) {
struct kstatfs tmp;
error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
- if (!error && put_compat_statfs(buf, &tmp))
- error = -EFAULT;
+ if (!error)
+ error = put_compat_statfs(buf, &tmp);
path_release(&nd);
}
return error;
@@ -186,8 +186,8 @@ asmlinkage long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user
if (!file)
goto out;
error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
- if (!error && put_compat_statfs(buf, &tmp))
- error = -EFAULT;
+ if (!error)
+ error = put_compat_statfs(buf, &tmp);
fput(file);
out:
return error;
@@ -236,8 +236,8 @@ asmlinkage long compat_sys_statfs64(const char __user *path, compat_size_t sz, s
if (!error) {
struct kstatfs tmp;
error = vfs_statfs(nd.dentry->d_inode->i_sb, &tmp);
- if (!error && put_compat_statfs64(buf, &tmp))
- error = -EFAULT;
+ if (!error)
+ error = put_compat_statfs64(buf, &tmp);
path_release(&nd);
}
return error;
@@ -257,8 +257,8 @@ asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct c
if (!file)
goto out;
error = vfs_statfs(file->f_dentry->d_inode->i_sb, &tmp);
- if (!error && put_compat_statfs64(buf, &tmp))
- error = -EFAULT;
+ if (!error)
+ error = put_compat_statfs64(buf, &tmp);
fput(file);
out:
return error;
@@ -268,7 +268,6 @@ out:
#define IOCTL_HASHSIZE 256
static struct ioctl_trans *ioctl32_hash_table[IOCTL_HASHSIZE];
-static DECLARE_RWSEM(ioctl32_sem);
extern struct ioctl_trans ioctl_start[];
extern int ioctl_table_size;
@@ -390,14 +389,10 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
break;
}
- /* When register_ioctl32_conversion is finally gone remove
- this lock! -AK */
- down_read(&ioctl32_sem);
for (t = ioctl32_hash_table[ioctl32_hash(cmd)]; t; t = t->next) {
if (t->cmd == cmd)
goto found_handler;
}
- up_read(&ioctl32_sem);
if (S_ISSOCK(filp->f_dentry->d_inode->i_mode) &&
cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
@@ -417,11 +412,9 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
lock_kernel();
error = t->handler(fd, cmd, arg, filp);
unlock_kernel();
- up_read(&ioctl32_sem);
goto out_fput;
}
- up_read(&ioctl32_sem);
do_ioctl:
error = vfs_ioctl(filp, fd, cmd, arg);
out_fput: