Colin Ian King <colin.king@xxxxxxxxxxxxx> 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> Patch applied to wireless-drivers-next.git, thanks. 364bea50dbea mt76: fix memcpy to potential null pointer on failed allocation -- https://patchwork.kernel.org/patch/10111747/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches