| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.18 42/88] fbdev: omapfb: off by one in omapfb_register_client() | Date | Fri, 7 Sep 2018 00:36:23 +0000 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit 5ec1ec35b2979b59d0b33381e7c9aac17e159d16 ]
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> Cc: Imre Deak <imre.deak@solidboot.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- drivers/video/fbdev/omap/omapfb_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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) { -- 2.17.1
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