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authorAl Viro <viro@ZenIV.linux.org.uk>2010-04-08 00:06:07 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-07 16:10:16 -0700
commit04287f975e68038051eb9c79896866d36610b8e0 (patch)
treee87af9a47942a187a06b63aa3600511f4bc11ad8 /fs/nfs
parent48de8cb7847d040c8892701c1ff3c55eff1f46b4 (diff)
downloadlinux-04287f975e68038051eb9c79896866d36610b8e0.tar.gz
Have nfs ->d_revalidate() report errors properly
	If nfs atomic open implementation ends up doing open request from
->d_revalidate() codepath and gets an error from server, return that error
to caller explicitly and don't bother with lookup_instantiate_filp() at all.
->d_revalidate() can return an error itself just fine...

See
	http://bugzilla.kernel.org/show_bug.cgi?id=15674
	http://marc.info/?l=linux-kernel&m=126988782722711&w=2

for original report.

Reported-by: Daniel J Blueman <daniel.blueman@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index d79a7b37e56c..fe0cd9eb1d4d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2068,8 +2068,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
 			case -EDQUOT:
 			case -ENOSPC:
 			case -EROFS:
-				lookup_instantiate_filp(nd, (struct dentry *)state, NULL);
-				return 1;
+				return PTR_ERR(state);
 			default:
 				goto out_drop;
 		}