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fbdev: omapfb: off by one in omapfb_register_client()

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[ Upstream commit 5ec1ec35b2 ]

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: 8b08cf2b64 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2018-07-24 19:11:28 +02:00
committed by Greg Kroah-Hartman
parent ddeb9cb461
commit 85d6635b63
1 changed files with 1 additions and 1 deletions
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2
drivers/video/fbdev/omap/omapfb_main.c
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@ -956,7 +956,7 @@ int omapfb_register_client(struct omapfb_notifier_block *omapfb_nb,
{ {
int r; int r;
if ((unsigned)omapfb_nb->plane_idx > OMAPFB_PLANE_NUM) if ((unsigned)omapfb_nb->plane_idx >= OMAPFB_PLANE_NUM)
return -EINVAL; return -EINVAL;
if (!notifier_inited) { if (!notifier_inited) {