[PATCH 2/4] nfsd: Drop reference in expkey_parse error cases

[Krishna Kumar <krkumar2@in.ibm.com>]

From: Krishna Kumar <krkumar2@in.ibm.com>

Drop reference to export key on error. Compile tested.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
---
 fs/nfsd/export.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff -ruNp linux-2.6.27.org/fs/nfsd/export.c linux-2.6.27.new/fs/nfsd/export.c
--- linux-2.6.27.org/fs/nfsd/export.c	2008-10-20 10:47:18.000000000 +0530
+++ linux-2.6.27.new/fs/nfsd/export.c	2008-10-20 10:48:36.000000000 +0530
@@ -151,8 +151,10 @@ static int expkey_parse(struct cache_det
 
 	/* now we want a pathname, or empty meaning NEGATIVE  */
 	err = -EINVAL;
-	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0)
+	if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0) {
+		cache_put(&ek->h, &svc_expkey_cache);
 		goto out;
+	}
 	dprintk("Path seems to be <%s>\n", buf);
 	err = 0;
 	if (len == 0) {
@@ -164,8 +166,10 @@ static int expkey_parse(struct cache_det
 	} else {
 		struct nameidata nd;
 		err = path_lookup(buf, 0, &nd);
-		if (err)
+		if (err) {
+			cache_put(&ek->h, &svc_expkey_cache);
 			goto out;
+		}
 
 		dprintk("Found the path %s\n", buf);
 		key.ek_path = nd.path;