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Date: Sat, 29 Nov 2008 06:49:20 -0500 From: roel kluin <roel.kluin@...il.com> To: ben-linux@...ff.org CC: linux-kernel@...r.kernel.org Subject: [PATCH] sm501: unsigned ptr cannot be negative unsigned ptr cannot be negative Signed-off-by: Roel Kluin <roel.kluin@...il.com> --- diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index f94ae84..dcd9879 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -159,6 +159,9 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, break; case SM501_MEMF_PANEL: + if (size > inf->fbmem_len) + return -ENOMEM; + ptr = inf->fbmem_len - size; fbi = inf->fb[HEAD_CRT]; @@ -172,9 +175,6 @@ static int sm501_alloc_mem(struct sm501fb_info *inf, struct sm501_mem *mem, if (fbi && ptr < fbi->fix.smem_len) return -ENOMEM; - if (ptr < 0) - return -ENOMEM; - break; case SM501_MEMF_CRT: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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