[PATCH] ath11k: Fix invalid dma address access in hal rx

[PATCH] ath11k: Fix invalid dma address access in hal rx

[Karthikeyan Periyasamy]

ath11k_hal_rx_buf_addr_info_get() populating the MSB of the
dma address from the info0 member, which is invalid. It has
to populate the MSB from info1 member.

Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/hal_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.c b/drivers/net/wireless/ath/ath11k/hal_rx.c
index 6eb47d9..c37340f 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.c
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.c
@@ -286,7 +286,7 @@ void ath11k_hal_rx_buf_addr_info_get(void *desc, dma_addr_t *paddr,
 	struct buffer_addr *binfo = (struct buffer_addr *)desc;
 
 	*paddr =
-		(((u64)FIELD_GET(BUFFER_ADDR_INFO1_ADDR, binfo->info0)) << 32) |
+		(((u64)FIELD_GET(BUFFER_ADDR_INFO1_ADDR, binfo->info1)) << 32) |
 		FIELD_GET(BUFFER_ADDR_INFO0_ADDR, binfo->info0);
 	*cookie = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE, binfo->info1);
 	*rbm = FIELD_GET(BUFFER_ADDR_INFO1_RET_BUF_MGR, binfo->info1);
-- 
1.9.1


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Re: [PATCH] ath11k: Fix invalid dma address access in hal rx

[Kalle Valo]

Karthikeyan Periyasamy <periyasa@codeaurora.org> wrote:

> ath11k_hal_rx_buf_addr_info_get() populating the MSB of the
> dma address from the info0 member, which is invalid. It has
> to populate the MSB from info1 member.
> 
> Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>

Patch applied to ath.git, thanks.

911365b0f0a8 ath11k: Fix invalid dma address access in hal rx

-- 
https://patchwork.kernel.org/patch/10963087/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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