leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wil6210: fix error path in wil_tx_vring

Browse Source 
Release fragments in the order of allocation; including one for skb head

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 2013-07-21 11:34:36 +03:00 committed by John W. Linville
parent f291f7deee
commit c2a146f610
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/wireless/ath/wil6210/txrx.c
View File

@ -730,12 +730,13 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct vring *vring,
return 0;
dma_error:
/* unmap what we have mapped */
/* Note: increment @f to operate with positive index */
for (f++; f > 0; f--) {
nr_frags = f + 1; /* frags mapped + one for skb head */
for (f = 0; f < nr_frags; f++) {
u16 dmalen;
struct wil_ctx *ctx = &vring->ctx[i];
struct wil_ctx *ctx;
i = (swhead + f) % vring->size;
ctx = &vring->ctx[i];
_d = &(vring->va[i].tx);
*d = *_d;
_d->dma.status = TX_DMA_STATUS_DU;