OMAPFB: prevent buffer underflow in omapfb_parse_vram_param()
authorDan Carpenter <[email protected]>
Fri, 17 Nov 2017 16:21:49 +0000 (17:21 +0100)
committerBartlomiej Zolnierkiewicz <[email protected]>
Fri, 17 Nov 2017 16:21:49 +0000 (17:21 +0100)
commit5f215d252496543ba22299bccef5062d30d63cfe
treea991f9862eb12e91ded049f2059a894f4eeb785d
parent5fa1f45de8fd697d9f23050e20dd65c0998e6107
OMAPFB: prevent buffer underflow in omapfb_parse_vram_param()

We cap the upper bound of "fbnum" but we also need to check for
negatives or make the type unsigned.

Signed-off-by: Dan Carpenter <[email protected]>
Cc: Tomi Valkeinen <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
drivers/video/fbdev/omap2/omapfb/omapfb-main.c