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mt7601u: null check the allocation

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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>
This commit is contained in:
Navid Emamdoost 2019-07-24 09:17:36 -05:00 committed by Kalle Valo
parent cddecd92d1
commit b95c732234
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/mediatek/mt7601u/init.c
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@ -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 >