cifs: add check for kmalloc in parse_dacl
authorStanislav Fomichev <kernel@fomichev.me>
Sat, 5 Feb 2011 23:05:28 +0000 (02:05 +0300)
committerSteve French <sfrench@us.ibm.com>
Sun, 6 Feb 2011 00:36:23 +0000 (00:36 +0000)
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>
fs/cifs/cifsacl.c

index 1e7636b145a88a180c8459f65bf86d51d6c165f6..beeebf194234c4532341eaea45c316fe6cb58c3f 100644 (file)
@@ -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);