From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D58762F8BC3; Mon, 13 Apr 2026 16:11:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776096717; cv=none; b=qPX+Y15ipBCCm1ixW48arb3aL+EhkyZ7TrHtORT+vBq5RXAiCqpFB5T6isZx48SHaS8uDXdEEzEvIwE09OD9aTHdS+msaaDvhGPwp4x7OVQbwh7PjgNj/4P18n+jxylAe/cZCzgTJwwtId4zOAqIE/rIUpFod8NIvIY3yNNug30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776096717; c=relaxed/simple; bh=/th11HdEXUYQKBddLuBYqfxEGlUz7ZCs4i4k8yYTFtg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dz3u8uSg/Gprw38kc/RcKR2ScI0uzdjEhxcO6COQ8m7aU36O+gq4Bz5Ih2BXQABgbL2zIXe/awYC2uFZit+C+t9DOZ1s7YneNEVg91Jy8i3ZybiPNE/KioXbZf9KMiNHiWZWiCQPQocjQrS0JOpexav6vOuQwV9k76ldm1bXzD0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1nwBCapd; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="1nwBCapd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B0FAC2BCAF; Mon, 13 Apr 2026 16:11:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1776096717; bh=/th11HdEXUYQKBddLuBYqfxEGlUz7ZCs4i4k8yYTFtg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1nwBCapdRwI9sPw5F8gdhjHoJQBmglB5dKXFRvuZyzQjfTRAj/C4xdkbvBftnOmoq gSMJdyOjyb/UOJWrzX7CSD3zhJ5GVoa3Lw0rOYqWFustQRWZt3V5XveTliCdsNFo48 fyxuz1sKM3yk8iZKq/UOHvCbjyatNrRS3xMdI5TY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thomas Fourier , Arend van Spriel , Johannes Berg Subject: [PATCH 6.12 35/70] wifi: brcmsmac: Fix dma_free_coherent() size Date: Mon, 13 Apr 2026 18:00:30 +0200 Message-ID: <20260413155729.494233746@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260413155728.181580293@linuxfoundation.org> References: <20260413155728.181580293@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Fourier commit 12cd7632757a54ce586e36040210b1a738a0fc53 upstream. 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: Signed-off-by: Thomas Fourier Acked-by: Arend van Spriel Link: https://patch.msgid.link/20260218130741.46566-3-fourier.thomas@gmail.com Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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_in 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); }