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From: Roel Kluin <roel.kluin@gmail.com>
To: Kyungmin Park <kyungmin.park@samsung.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Mauro Carvalho Chehab <m.chehab@samsung.com>,
	Kukjin Kim <kgene.kim@samsung.com>,
	linux-media@vger.kernel.org, akpm@linux-foundation.org,
	linux-kernel@vger.kernel.org
Subject: exynos4: index out of bounds if no pixelcode found
Date: Sun, 13 Oct 2013 12:16:30 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.02.1310131204550.11060@Z> (raw)

In case no valid pixelcode is found, an i of -1 after the loop is out of 
bounds for the array.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/media/platform/exynos4-is/fimc-lite-reg.c 
b/drivers/media/platform/exynos4-is/fimc-lite-reg.c
index 72a343e3b..d0dc7ee 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite-reg.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite-reg.c
@@ -133,7 +133,7 @@ void flite_hw_set_source_format(struct fimc_lite *dev, 
struct flite_frame *f)
 	int i = ARRAY_SIZE(src_pixfmt_map);
 	u32 cfg;
 
-	while (--i >= 0) {
+	while (--i) {
 		if (src_pixfmt_map[i][0] == pixelcode)
 			break;
 	}
@@ -240,7 +240,7 @@ static void flite_hw_set_out_order(struct fimc_lite 
*dev, struct flite_frame *f)
 	u32 cfg = readl(dev->regs + FLITE_REG_CIODMAFMT);
 	int i = ARRAY_SIZE(pixcode);
 
-	while (--i >= 0)
+	while (--i)
 		if (pixcode[i][0] == f->fmt->mbus_code)
 			break;
 	cfg &= ~FLITE_REG_CIODMAFMT_YCBCR_ORDER_MASK;


             reply	other threads:[~2013-10-13 10:16 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-13 10:16 Roel Kluin [this message]
2013-10-13 11:13 ` Sylwester Nawrocki

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