msm: ipc: Return error value on send failure

msm_ipc_router_send_msg() returns 0 instead of the error code when the
send helper function fails.

Return error code from helper function in failure cases.

Change-Id: Idef1ceef261945e30b57cd5e99fcb0b2651b31ab
Signed-off-by: Zaheerulla Meer <zmeer@codeaurora.org>
diff --git a/arch/arm/mach-msm/ipc_router.c b/arch/arm/mach-msm/ipc_router.c
index b5bfb99..8b46823 100644
--- a/arch/arm/mach-msm/ipc_router.c
+++ b/arch/arm/mach-msm/ipc_router.c
@@ -2228,6 +2228,7 @@
 		pr_err("%s: msm_ipc_router_send_to failed - ret: %d\n",
 			__func__, ret);
 		msm_ipc_router_free_skb(out_skb_head);
+		return ret;
 	}
 	return 0;
 }