net: usb: asix: Fix crash on skb alloc failure

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If asix_rx_fixup_internal() fails to allocate rx->ax_skb, it will return
but not clear rx->size. rx points to driver private data. A later call
assumes that nonzero size means ax_skb was allocated and passes a null
ax_skb to skb_put. Changed allocation failure return to clear size first.

Found testing board with AX88772B devices.

Signed-off-by: David B. Robins <linux@davidrobins.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David B. Robins 2015-09-30 16:20:04 -04:00 • committed by David S. Miller

parent 74910ea49d

commit f6194bcf03

1 changed files with 3 additions and 1 deletions

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4

drivers/net/usb/asix_common.c

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