lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] r/o bind mounts: get write access for vfs_rename() callers

Browse Source 
This also uses the little helper in the NFS code to make an if() a little bit
less ugly.  We introduced the helper at the beginning of the series.

Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Dave Hansen
2008-02-15 14:37:49 -08:00
committed by Al Viro
parent 75c3f29de7
commit 9079b1eb17
2 changed files with 17 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/namei.c
View File

@@ -2718,8 +2718,12 @@ static int do_rename(int olddfd, const char *oldname,
if (new_dentry == trap)
goto exit5;
error = mnt_want_write(oldnd.path.mnt);
if (error)
goto exit5;
error = vfs_rename(old_dir->d_inode, old_dentry,
new_dir->d_inode, new_dentry);
mnt_drop_write(oldnd.path.mnt);
exit5:
dput(new_dentry);
exit4: