diff options
Diffstat (limited to 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 6b1721f978c2..71025c2f6bbb 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -689,13 +689,13 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) { loff_t ret; - mutex_lock(&file_inode(file)->i_mutex); + inode_lock(file_inode(file)); switch (orig) { case SEEK_CUR: offset += file->f_pos; case SEEK_SET: /* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */ - if (IS_ERR_VALUE((unsigned long long)offset)) { + if ((unsigned long long)offset >= -MAX_ERRNO) { ret = -EOVERFLOW; break; } @@ -706,7 +706,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig) default: ret = -EINVAL; } - mutex_unlock(&file_inode(file)->i_mutex); + inode_unlock(file_inode(file)); return ret; } |