On 2017-12-14 11:13, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Currently if the allocation of skb fails and returns NULL then the
> call to skb_put will cause a null pointer dereference. Fix this by
> checking for a null skb and returning NULL. Note that calls to
> function mt76x2_mcu_msg_alloc don't directly check the null return
> but instead pass the NULL pointer to mt76x2_mcu_msg_send which
> checks for the NULL and returns ENOMEM in this case.
>
> Detected by CoverityScan, CID#1462624 ("Dereference null return value")
>
> Fixes: 7bc04215a66b ("mt76: add driver code for MT76x2e")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Acked-by: Felix Fietkau <nbd@xxxxxxxx>
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