RE: [PATCH net v2 1/2] net: ll_temac: Fix DMA resources leak

From: Katakam, Harini
Date: Mon Feb 06 2023 - 05:20:01 EST



> -----Original Message-----
> From: Jonas Suhr Christensen <jsc@xxxxxxxxxxxxxx>
> Sent: Monday, February 6, 2023 1:41 AM
> To: netdev@xxxxxxxxxxxxxxx
> Cc: jsc@xxxxxxxxxxxxxx; David S. Miller <davem@xxxxxxxxxxxxx>; Eric
> Dumazet <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>;
> Paolo Abeni <pabeni@xxxxxxxxxx>; Michal Simek
> <michal.simek@xxxxxxxxxx>; Katakam, Harini <harini.katakam@xxxxxxx>;
> Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx>; huangjunxian
> <huangjunxian6@xxxxxxxxxxxxx>; Wang Qing <wangqing@xxxxxxxx>; Yang
> Yingliang <yangyingliang@xxxxxxxxxx>; Esben Haabendal
> <esben@xxxxxxxxxx>; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH net v2 1/2] net: ll_temac: Fix DMA resources leak
>
> Add missing conversion of address when unmapping dma region causing
> unmapping to silently fail. At some point resulting in buffer
> overrun eg. when releasing device.
>
> Fixes: fdd7454ecb29 ("net: ll_temac: Fix support for little-endian platforms")
>
> Signed-off-by: Jonas Suhr Christensen <jsc@xxxxxxxxxxxxxx>

Thanks for the patch.
Reviewed-by: Harini Katakam <harini.katakam@xxxxxxx>

Regards,
Harini