From: J. Bruce Fields <bfields@fieldses.org>
Date: Wed, 21 Jan 2009 00:32:59 +0000 (-0500)
Subject: nfsd: fix null dereference on error path
X-Git-Tag: v2.6.29-rc3~7^2~2
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=bf935a78814cc9b96d09f612912178adc964ce9c;p=linux-2.6-omap-h63xx.git

nfsd: fix null dereference on error path

We're forgetting to check the return value from groups_alloc().

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---

diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index c903e04aa21..b860d3484cd 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -49,6 +49,8 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
 		new->fsuid = exp->ex_anon_uid;
 		new->fsgid = exp->ex_anon_gid;
 		gi = groups_alloc(0);
+		if (!gi)
+			goto oom;
 	} else if (flags & NFSEXP_ROOTSQUASH) {
 		if (!new->fsuid)
 			new->fsuid = exp->ex_anon_uid;