linux-kernel - [PATCH v2 3/8] Convert virtio_console to kvzalloc

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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180214201154.10186-4-willy@infradead.org>
Date:   Wed, 14 Feb 2018 12:11:49 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Matthew Wilcox <mawilcox@...rosoft.com>, linux-mm@...ck.org,
        Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com,
        Joe Perches <joe@...ches.com>
Subject: [PATCH v2 3/8] Convert virtio_console to kvzalloc_struct

From: Matthew Wilcox <mawilcox@...rosoft.com>

Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
 drivers/char/virtio_console.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 468f06134012..e0816cc2c6bd 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -433,8 +433,7 @@ static struct port_buffer *alloc_buf(struct virtqueue *vq, size_t buf_size,
 	 * Allocate buffer and the sg list. The sg list array is allocated
 	 * directly after the port_buffer struct.
 	 */
-	buf = kmalloc(sizeof(*buf) + sizeof(struct scatterlist) * pages,
-		      GFP_KERNEL);
+	buf = kvzalloc_struct(buf, sg, pages, GFP_KERNEL);
 	if (!buf)
 		goto fail;
 
-- 
2.15.1