msm: bam_dmux: add error message for failure debugging

Change-Id: Idd6a33e72af0e0b99c6259f30e8115f51618b99a
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
diff --git a/arch/arm/mach-msm/bam_dmux.c b/arch/arm/mach-msm/bam_dmux.c
index 7609485..644a666 100644
--- a/arch/arm/mach-msm/bam_dmux.c
+++ b/arch/arm/mach-msm/bam_dmux.c
@@ -232,8 +232,10 @@
 		return;
 
 	info = kmalloc(sizeof(struct rx_pkt_info), GFP_KERNEL);
-	if (!info)
-		return; /*need better way to handle this */
+	if (!info) {
+		pr_err("%s: unable to alloc rx_pkt_info\n", __func__);
+		return;
+	}
 
 	INIT_WORK(&info->work, handle_bam_mux_cmd);