From b95c732234fa40319c6aae2db6b35e9a7f41d79c Mon Sep 17 00:00:00 2001
From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Wed, 24 Jul 2019 09:17:36 -0500
Subject: [PATCH] mt7601u: null check the allocation
Git-commit: b95c732234fa40319c6aae2db6b35e9a7f41d79c
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430
devm_kzalloc may fail and return NULL. So the null check is needed.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Acked-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt7601u/init.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt7601u/init.c b/drivers/net/wireless/mediatek/mt7601u/init.c
index 9bfac9f1d47f..cada48800928 100644
--- a/drivers/net/wireless/mediatek/mt7601u/init.c
+++ b/drivers/net/wireless/mediatek/mt7601u/init.c
@@ -557,6 +557,9 @@ mt76_init_sband_2g(struct mt7601u_dev *dev)
{
dev->sband_2g = devm_kzalloc(dev->dev, sizeof(*dev->sband_2g),
GFP_KERNEL);
+ if (!dev->sband_2g)
+ return -ENOMEM;
+
dev->hw->wiphy->bands[NL80211_BAND_2GHZ] = dev->sband_2g;
WARN_ON(dev->ee->reg.start - 1 + dev->ee->reg.num >
--
2.16.4