From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 30 Nov 2012 03:00:51 +0000 (-0500)
Subject: don't do blind d_drop() in nfs_prime_dcache()
X-Git-Tag: v3.7-rc8~10^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=696199f8ccf7fc6d17ef89c296ad3b6c78c52d9c;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

don't do blind d_drop() in nfs_prime_dcache()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ce8cb92..99489cf 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -450,7 +450,8 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
 			nfs_refresh_inode(dentry->d_inode, entry->fattr);
 			goto out;
 		} else {
-			d_drop(dentry);
+			if (d_invalidate(dentry) != 0)
+				goto out;
 			dput(dentry);
 		}
 	}