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Introduce path_put()

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* Add path_put() functions for releasing a reference to the dentry and
  vfsmount of a struct path in the right order

* Switch from path_release(nd) to path_put(&nd->path)

* Rename dput_path() to path_put_conditional()

[akpm@linux-foundation.org: fix cifs]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: <linux-fsdevel@vger.kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Blunck 2008-02-14 19:34:35 -08:00 • committed by Linus Torvalds
parent 4ac9137858
commit 1d957f9bf8
41 changed files with 125 additions and 118 deletions
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6
net/unix/af_unix.c
View file

@ -727,7 +727,7 @@ static struct sock *unix_find_other(struct net *net,
if (u->sk_type == type)
touch_atime(nd.path.mnt, nd.path.dentry);
path_release(&nd);
path_put(&nd.path);
err=-EPROTOTYPE;
if (u->sk_type != type) {
@ -748,7 +748,7 @@ static struct sock *unix_find_other(struct net *net,
return u;
put_fail:
path_release(&nd);
path_put(&nd.path);
fail:
*error=err;
return NULL;
@ -862,7 +862,7 @@ out_mknod_dput:
dput(dentry);
out_mknod_unlock:
mutex_unlock(&nd.path.dentry->d_inode->i_mutex);
path_release(&nd);
path_put(&nd.path);
out_mknod_parent:
if (err==-EEXIST)
err=-EADDRINUSE;