wcn36xx: don't process 'valid' descriptors

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The DMA engine will reset the valid bit after a descriptor is
complete; any with the valid bit still set may still be in
use by the hardware, so check that before freeing the descriptor.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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Bob Copeland 2015-01-09 14:15:48 -05:00 • committed by Kalle Valo

parent 232ddcd80f

commit bfa6696b39

1 changed files with 2 additions and 0 deletions

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drivers/net/wireless/ath/wcn36xx/dxe.c

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