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* [PATCH] fbdev: omapfb: off by one in omapfb_register_client()
@ 2018-07-13 14:55 ` Dan Carpenter
  2018-07-24 16:48   ` Bartlomiej Zolnierkiewicz
  0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2018-07-13 14:55 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, Imre Deak
  Cc: linux-fbdev, linux-omap, kernel-janitors, dri-devel

The omapfb_register_client[] array has OMAPFB_PLANE_NUM elements so the
> should be >= or we are one element beyond the end of the array.

Fixes: 8b08cf2b64f5 ("OMAP: add TI OMAP framebuffer driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 585f39efcff6..1c75f4806ed3 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -958,7 +958,7 @@ int omapfb_register_client(struct omapfb_notifier_block *omapfb_nb,
 {
 	int r;
 
-	if ((unsigned)omapfb_nb->plane_idx > OMAPFB_PLANE_NUM)
+	if ((unsigned)omapfb_nb->plane_idx >= OMAPFB_PLANE_NUM)
 		return -EINVAL;
 
 	if (!notifier_inited) {
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^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH] fbdev: omapfb: off by one in omapfb_register_client()
@ 2018-07-13 15:05 Dan Carpenter
  0 siblings, 0 replies; 3+ messages in thread
From: Dan Carpenter @ 2018-07-13 15:05 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, Imre Deak
  Cc: linux-fbdev, linux-omap, kernel-janitors, dri-devel

The omapfb_register_client[] array has OMAPFB_PLANE_NUM elements so the
> should be >= or we are one element beyond the end of the array.

Fixes: 8b08cf2b64f5 ("OMAP: add TI OMAP framebuffer driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 585f39efcff6..1c75f4806ed3 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -958,7 +958,7 @@ int omapfb_register_client(struct omapfb_notifier_block *omapfb_nb,
 {
 	int r;
 
-	if ((unsigned)omapfb_nb->plane_idx > OMAPFB_PLANE_NUM)
+	if ((unsigned)omapfb_nb->plane_idx >= OMAPFB_PLANE_NUM)
 		return -EINVAL;
 
 	if (!notifier_inited) {
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] fbdev: omapfb: off by one in omapfb_register_client()
  2018-07-13 14:55 ` [PATCH] fbdev: omapfb: off by one in omapfb_register_client() Dan Carpenter
@ 2018-07-24 16:48   ` Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; 3+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2018-07-24 16:48 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: linux-fbdev, Imre Deak, kernel-janitors, dri-devel, linux-omap

On Friday, July 13, 2018 05:55:55 PM Dan Carpenter wrote:
> The omapfb_register_client[] array has OMAPFB_PLANE_NUM elements so the
> > should be >= or we are one element beyond the end of the array.
> 
> Fixes: 8b08cf2b64f5 ("OMAP: add TI OMAP framebuffer driver")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-07-24 16:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2018-07-13 14:55 ` [PATCH] fbdev: omapfb: off by one in omapfb_register_client() Dan Carpenter
2018-07-24 16:48   ` Bartlomiej Zolnierkiewicz
2018-07-13 15:05 Dan Carpenter

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