cifs: add check for kmalloc in parse_dacl

Exit from parse_dacl if no memory returned from the call to kmalloc. Signed-off-by: Stanislav Fomichev <kernel@fomichev.me> Signed-off-by: Steve French <sfrench@us.ibm.com>
mariux64 · Feb 6, 2011 · 8132b65 · 8132b65
1 parent 247ec9b
commit 8132b65
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
@@ -372,6 +372,10 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl,
 
 		ppace = kmalloc(num_aces * sizeof(struct cifs_ace *),
 				GFP_KERNEL);
+		if (!ppace) {
+			cERROR(1, "DACL memory allocation error");
+			return;
+		}
 
 		for (i = 0; i < num_aces; ++i) {
 			ppace[i] = (struct cifs_ace *) (acl_base + acl_size);