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ocfs2: add missing errno in ocfs2_ioctl_move_extents() 

If the file is not regular or writeable, it should return errno(EPERM).

This patch is based on 85a258b70d ("ocfs2: fix error handling in
ocfs2_ioctl_move_extents()").

Signed-off-by: Younger Liu <younger.liu@huawei.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Younger Liu 2013-11-12 15:07:05 -08:00 committed by Linus Torvalds
parent 8abaae8d85
commit bfbca926d6
1 changed files with 6 additions and 2 deletions
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8
fs/ocfs2/move_extents.c
View File

@ -1066,8 +1066,10 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp)
if (status)
return status;
if ((!S_ISREG(inode->i_mode)) || !(filp->f_mode & FMODE_WRITE))
if ((!S_ISREG(inode->i_mode)) || !(filp->f_mode & FMODE_WRITE)) {
status = -EPERM;
goto out_drop;
}
if (inode->i_flags & (S_IMMUTABLE|S_APPEND)) {
status = -EPERM;
@ -1089,8 +1091,10 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp)
goto out_free;
}
if (range.me_start > i_size_read(inode))
if (range.me_start > i_size_read(inode)) {
status = -EINVAL;
goto out_free;
}
if (range.me_start + range.me_len > i_size_read(inode))
range.me_len = i_size_read(inode) - range.me_start;