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[PATCH] namei fixes (12/19)

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In open_namei() we take mntput(nd->mnt);nd->mnt=path.mnt; out of the if
(__follow_mount(...)), making it conditional on nd->mnt != path.mnt instead.

Then we shift the result downstream.

Equivalent transformations.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2005-06-06 13:36:08 -07:00 committed by Linus Torvalds
parent 2f12dbfbb6
commit a15a3f6fc6
1 changed files with 9 additions and 2 deletions
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11
fs/namei.c
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@ -1506,8 +1506,6 @@ do_last:
mntput(path.mnt);
goto exit;
}
mntput(nd->mnt);
nd->mnt = path.mnt;
}
error = -ENOENT;
if (!path.dentry->d_inode)
@ -1517,6 +1515,9 @@ do_last:
dput(nd->dentry);
nd->dentry = path.dentry;
if (nd->mnt != path.mnt)
mntput(nd->mnt);
nd->mnt = path.mnt;
error = -EISDIR;
if (path.dentry->d_inode && S_ISDIR(path.dentry->d_inode->i_mode))
goto exit;
@ -1528,6 +1529,9 @@ ok:
exit_dput:
dput(path.dentry);
if (nd->mnt != path.mnt)
mntput(nd->mnt);
nd->mnt = path.mnt;
exit:
path_release(nd);
return error;
@ -1550,6 +1554,9 @@ do_link:
error = security_inode_follow_link(path.dentry, nd);
if (error)
goto exit_dput;
if (nd->mnt != path.mnt)
mntput(nd->mnt);
nd->mnt = path.mnt;
error = __do_follow_link(&path, nd);
if (error)
return error;