RDS: Let rds_message_alloc_sgs() return NULL

[cascardo/linux.git] / net / rds / send.c

diff --git a/net/rds/send.c b/net/rds/send.c
index 0bc9db1..35b9c2e 100644 (file)
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -973,6 +973,10 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
        /* Attach data to the rm */
        if (payload_len) {
                rm->data.op_sg = rds_message_alloc_sgs(rm, ceil(payload_len, PAGE_SIZE));
+               if (!rm->data.op_sg) {
+                       ret = -ENOMEM;
+                       goto out;
+               }
                ret = rds_message_copy_from_user(rm, msg->msg_iov, payload_len);
                if (ret)
                        goto out;