From 532298b95075144bcccf56d792f3fb3fbef2d5d0 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 11 Dec 2017 13:54:27 +0300
Subject: [PATCH] platform/x86: dell-wmi: check for kmalloc() errors
Git-commit: 532298b95075144bcccf56d792f3fb3fbef2d5d0
Patch-mainline: v4.15-rc4
References: FATE#325842

This allocation won't fail in the current kernel because it's small but
not checking for kmalloc() failures introduces static checker warnings
so let's fix it.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/platform/x86/dell-wmi.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -639,6 +639,8 @@ static int dell_wmi_events_set_enabled(b
 	int ret;
 
 	buffer = kzalloc(sizeof(struct calling_interface_buffer), GFP_KERNEL);
+	if (!buffer)
+		return -ENOMEM;
 	buffer->cmd_class = CLASS_INFO;
 	buffer->cmd_select = SELECT_APP_REGISTRATION;
 	buffer->input[0] = 0x10000;