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wil6210: fix wrong index in wil_vring_free 

When destroying Rx vring, branch for Rx used wrong Tx descriptor:
while SW context was taken for "head", HW descriptor was, by mistake,
taken from "tail"

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2013-07-11 18:03:38 +03:00 committed by John W. Linville
parent f988b23f7a
commit 4d1ac0721a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/wil6210/txrx.c
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@ -133,7 +133,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring,
} else { /* rx */
struct vring_rx_desc dd, *d = &dd;
volatile struct vring_rx_desc *_d =
&vring->va[vring->swtail].rx;
&vring->va[vring->swhead].rx;
*d = *_d;
pa = wil_desc_addr(&d->dma.addr);