* [PATCH net] wifi: brcmsmac: Fix dma_free_coherent() size
@ 2026-02-18 13:07 Thomas Fourier
2026-03-28 11:08 ` Arend van Spriel
0 siblings, 1 reply; 2+ messages in thread
From: Thomas Fourier @ 2026-02-18 13:07 UTC (permalink / raw)
Cc: Thomas Fourier, stable, Arend van Spriel, Johannes Berg,
Simon Horman, John W. Linville, linux-wireless, brcm80211,
brcm80211-dev-list.pdl, linux-kernel
dma_alloc_consistent() may change the size to align it. The new size is
saved in alloced.
Change the free size to match the allocation size.
Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
---
drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
index c739bf7463b3..13d0d6b68238 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c
@@ -483,7 +483,7 @@ static void *dma_ringalloc(struct dma_info *di, u32 boundary, uint size,
if (((desc_strtaddr + size - 1) & boundary) != (desc_strtaddr
& boundary)) {
*alignbits = dma_align_sizetobits(size);
- dma_free_coherent(di->dmadev, size, va, *descpa);
+ dma_free_coherent(di->dmadev, *alloced, va, *descpa);
va = dma_alloc_consistent(di, size, *alignbits,
alloced, descpa);
}
--
2.43.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH net] wifi: brcmsmac: Fix dma_free_coherent() size
2026-02-18 13:07 [PATCH net] wifi: brcmsmac: Fix dma_free_coherent() size Thomas Fourier
@ 2026-03-28 11:08 ` Arend van Spriel
0 siblings, 0 replies; 2+ messages in thread
From: Arend van Spriel @ 2026-03-28 11:08 UTC (permalink / raw)
To: Thomas Fourier
Cc: stable, Johannes Berg, Simon Horman, John W. Linville,
linux-wireless, brcm80211, brcm80211-dev-list.pdl, linux-kernel
On 18/02/2026 14:07, Thomas Fourier wrote:
> dma_alloc_consistent() may change the size to align it. The new size is
> saved in alloced.
>
> Change the free size to match the allocation size.
>
> Fixes: 5b435de0d786 ("net: wireless: add brcm80211 drivers")
> Cc: <stable@vger.kernel.org>
Looks good to me.
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
> ---
> drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
^ permalink raw reply [flat|nested] 2+ messages in thread
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