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>
git-mirror · Jan 27, 2009 · bf935a7 · bf935a7
1 parent ce0cf66
commit bf935a7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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;