[PATCH 4.4 12/70] fbdev: omapfb: off by one in omapfb_register_client()

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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Cc: Imre Deak <imre.deak@xxxxxxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/video/fbdev/omap/omapfb_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -977,7 +977,7 @@ int omapfb_register_client(struct omapfb
 {
 	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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