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Commit b3b2f62c authored by Christophe Jaillet's avatar Christophe Jaillet Committed by Kalle Valo
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mt7601u: check memory allocation failure 



Check memory allocation failure and return -ENOMEM in such a case, as
already done a few lines below.

As 'dev->tx_q' can be NULL, we also need to check for that in
'mt7601u_free_tx()', and return early.

Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: default avatarJakub Kicinski <kubakici@wp.pl>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent d9ee6015

drivers/net/wireless/mediatek/mt7601u/dma.c

+5 −0
Original line number Diff line number Diff line
@@ -457,6 +457,9 @@ static void mt7601u_free_tx(struct mt7601u_dev *dev) 
{

	int i;



	if (!dev->tx_q)

		return;



	for (i = 0; i < __MT_EP_OUT_MAX; i++)

		mt7601u_free_tx_queue(&dev->tx_q[i]);

}
@@ -484,6 +487,8 @@ static int mt7601u_alloc_tx(struct mt7601u_dev *dev) 


	dev->tx_q = devm_kcalloc(dev->dev, __MT_EP_OUT_MAX,

				 sizeof(*dev->tx_q), GFP_KERNEL);

	if (!dev->tx_q)

		return -ENOMEM;



	for (i = 0; i < __MT_EP_OUT_MAX; i++)

		if (mt7601u_alloc_tx_queue(dev, &dev->tx_q[i]))