wil6210: fix dma mapping error cleanup in __wil_tx_vring_tso

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In case we fail to map one of the TSO SKB fragments, we need to
clear all the mapped descriptors, from swhead to swhead+descs_used-1.

Change the desc index calculation to
i = (swhead + descs_used - 1) % vring->size;
to prevent unmpping of (swhead + descs_used) descriptor that wasn't
mapped.

Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

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Maya Erez 2016-05-16 22:23:33 +03:00 • committed by Kalle Valo

parent 34b8886e50

commit a1526f7eaf

1 changed files with 1 additions and 1 deletions

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drivers/net/wireless/ath/wil6210/txrx.c

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