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Subject[PATCH] phy: exynos-mipi-video: fix check on array index
Date
The phys array is of size EXYNOS_MIPI_PHYS_NUM. Trying to access the
index EXYNOS_MIPI_PHYS_NUM should return an error.

Fixes: 069d2e26e9d6 "phy: Add driver for Exynos MIPI CSIS/DSIM DPHYs"

Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com>
---
drivers/phy/phy-exynos-mipi-video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
index 7f139326a642..ff026689358c 100644
--- a/drivers/phy/phy-exynos-mipi-video.c
+++ b/drivers/phy/phy-exynos-mipi-video.c
@@ -101,7 +101,7 @@ static struct phy *exynos_mipi_video_phy_xlate(struct device *dev,
{
struct exynos_mipi_video_phy *state = dev_get_drvdata(dev);

- if (WARN_ON(args->args[0] > EXYNOS_MIPI_PHYS_NUM))
+ if (WARN_ON(args->args[0] >= EXYNOS_MIPI_PHYS_NUM))
return ERR_PTR(-ENODEV);

return state->phys[args->args[0]].phy;
--
1.9.1
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