lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 22 Dec 2022 16:10:20 +0000 (UTC) From: Kalle Valo <kvalo@...nel.org> To: Zhengchao Shao <shaozhengchao@...wei.com> Cc: <netdev@...r.kernel.org>, <linux-wireless@...r.kernel.org>, <brcm80211-dev-list.pdl@...adcom.com>, <SHA-cyfmac-dev-list@...ineon.com>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <bigeasy@...utronix.de>, <aspriel@...il.com>, <franky.lin@...adcom.com>, <hante.meuleman@...adcom.com>, <wright.feng@...ress.com>, <chi-hsien.lin@...ress.com>, <a.fatoum@...gutronix.de>, <alsi@...g-olufsen.dk>, <pieterpg@...adcom.com>, <dekim@...adcom.com>, <linville@...driver.com>, <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>, <shaozhengchao@...wei.com> Subject: Re: [PATCH] wifi: brcmfmac: unmap dma buffer in brcmf_msgbuf_alloc_pktid() Zhengchao Shao <shaozhengchao@...wei.com> wrote: > After the DMA buffer is mapped to a physical address, address is stored > in pktids in brcmf_msgbuf_alloc_pktid(). Then, pktids is parsed in > brcmf_msgbuf_get_pktid()/brcmf_msgbuf_release_array() to obtain physaddr > and later unmap the DMA buffer. But when count is always equal to > pktids->array_size, physaddr isn't stored in pktids and the DMA buffer > will not be unmapped anyway. > > Fixes: 9a1bb60250d2 ("brcmfmac: Adding msgbuf protocol.") > Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com> > Reviewed-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de> Patch applied to wireless-next.git, thanks. b9f420032f2b wifi: brcmfmac: unmap dma buffer in brcmf_msgbuf_alloc_pktid() -- https://patchwork.kernel.org/project/linux-wireless/patch/20221207013114.1748936-1-shaozhengchao@huawei.com/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
Powered by blists - more mailing lists