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* [PATCH] video: fbdev: via: remove VLA usage
@ 2018-03-08 17:39 Gustavo A. R. Silva
  2018-03-09 10:59 ` Eric Engestrom
  0 siblings, 1 reply; 5+ messages in thread
From: Gustavo A. R. Silva @ 2018-03-08 17:39 UTC (permalink / raw)
  To: Emil Velikov, Florian Tobias Schandinat,
	Bartlomiej Zolnierkiewicz
  Cc: linux-fbdev, dri-devel, linux-kernel, kernel-hardening, Kees Cook,
	Gustavo A. R. Silva

In preparation to enabling -Wvla, remove VLA usage.

Also, fixed as part of the directive to remove all VLAs from
the kernel: https://lkml.org/lkml/2018/3/7/621

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/video/fbdev/via/via_aux_sii164.c | 2 +-
 drivers/video/fbdev/via/via_aux_vt1631.c | 2 +-
 drivers/video/fbdev/via/via_aux_vt1632.c | 2 +-
 drivers/video/fbdev/via/via_aux_vt1636.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/via/via_aux_sii164.c b/drivers/video/fbdev/via/via_aux_sii164.c
index ca1b35f..c27f62c 100644
--- a/drivers/video/fbdev/via/via_aux_sii164.c
+++ b/drivers/video/fbdev/via/via_aux_sii164.c
@@ -36,7 +36,7 @@ static void probe(struct via_aux_bus *bus, u8 addr)
 		.name	=	name};
 	/* check vendor id and device id */
 	const u8 id[] = {0x01, 0x00, 0x06, 0x00}, len = ARRAY_SIZE(id);
-	u8 tmp[len];
+	u8 tmp[ARRAY_SIZE(id)];
 
 	if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
 		return;
diff --git a/drivers/video/fbdev/via/via_aux_vt1631.c b/drivers/video/fbdev/via/via_aux_vt1631.c
index 06e742f..32978a0 100644
--- a/drivers/video/fbdev/via/via_aux_vt1631.c
+++ b/drivers/video/fbdev/via/via_aux_vt1631.c
@@ -36,7 +36,7 @@ void via_aux_vt1631_probe(struct via_aux_bus *bus)
 		.name	=	name};
 	/* check vendor id and device id */
 	const u8 id[] = {0x06, 0x11, 0x91, 0x31}, len = ARRAY_SIZE(id);
-	u8 tmp[len];
+	u8 tmp[ARRAY_SIZE(id)];
 
 	if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
 		return;
diff --git a/drivers/video/fbdev/via/via_aux_vt1632.c b/drivers/video/fbdev/via/via_aux_vt1632.c
index d24f4cd..cec8cc4 100644
--- a/drivers/video/fbdev/via/via_aux_vt1632.c
+++ b/drivers/video/fbdev/via/via_aux_vt1632.c
@@ -36,7 +36,7 @@ static void probe(struct via_aux_bus *bus, u8 addr)
 		.name	=	name};
 	/* check vendor id and device id */
 	const u8 id[] = {0x06, 0x11, 0x92, 0x31}, len = ARRAY_SIZE(id);
-	u8 tmp[len];
+	u8 tmp[ARRAY_SIZE(id)];
 
 	if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
 		return;
diff --git a/drivers/video/fbdev/via/via_aux_vt1636.c b/drivers/video/fbdev/via/via_aux_vt1636.c
index 9e015c1..2b10bc2 100644
--- a/drivers/video/fbdev/via/via_aux_vt1636.c
+++ b/drivers/video/fbdev/via/via_aux_vt1636.c
@@ -36,7 +36,7 @@ void via_aux_vt1636_probe(struct via_aux_bus *bus)
 		.name	=	name};
 	/* check vendor id and device id */
 	const u8 id[] = {0x06, 0x11, 0x45, 0x33}, len = ARRAY_SIZE(id);
-	u8 tmp[len];
+	u8 tmp[ARRAY_SIZE(id)];
 
 	if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
 		return;
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2018-03-13  3:29 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2018-03-08 17:39 [PATCH] video: fbdev: via: remove VLA usage Gustavo A. R. Silva
2018-03-09 10:59 ` Eric Engestrom
2018-03-09 11:02   ` Emil Velikov
2018-03-12 16:04     ` Bartlomiej Zolnierkiewicz
2018-03-13  3:29     ` Gustavo A. R. Silva

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