RE: [PATCH 2/2] video: exynos_mipi_dsi: Fix potential NULL pointer dereference

-----Original Message-----
From: Sachin Kamat [mailto:<redacted>]
Sent: Tuesday, September 18, 2012 8:38 PM
To: <redacted>
Cc: inki.dae@samsung.com; <redacted>; FlorianSchandinat@gmx.de;
sachin.kamat@linaro.org; patches@linaro.org
Subject: [PATCH 2/2] video: exynos_mipi_dsi: Fix potential NULL pointer
dereference

The error message printed when dsim is NULL references its member.
This will cause NULL pointer derefernce error. Hence change dev_err
to pr_err to avoid it.

Signed-off-by: Sachin Kamat <redacted>
---
 drivers/video/exynos/exynos_mipi_dsi_common.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c

b/drivers/video/exynos/exynos_mipi_dsi_common.c
index 7cc4113..4fc64c4 100644

--- a/drivers/video/exynos/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.c

@@ -80,7 +80,7 @@ irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq,

void *dev_id)
 	unsigned int intsrc, intmsk;

 	if (dsim = NULL) {
-		dev_err(dsim->dev, "%s: wrong parameter\n", __func__);
+		pr_err("%s: wrong parameter\n", __func__);
 		return IRQ_NONE;
 	}