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authorSachin Kamat <sachin.kamat@linaro.org>2012-09-21 05:06:47 (GMT)
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>2012-09-22 21:44:37 (GMT)
commitebe9f7b02590d870506ef493483fe4abdb08e967 (patch)
tree0bc2c84f9c192675fad7668354b3e01a3f83269d /drivers/video/exynos
parentc520f9faac4fd2430b44a727513df3d72d29553d (diff)
downloadlinux-ebe9f7b02590d870506ef493483fe4abdb08e967.tar.xz
video: exynos_mipi_dsi: Remove unnecessary NULL check
'dsim' is allocated and checked for NULL in the probe function. Hence this check is redundant. This cleanup also fixes a potential NULL pointer dereference error when dsim which is NULL references its member in the error print message. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video/exynos')
-rw-r--r--drivers/video/exynos/exynos_mipi_dsi_common.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c
index 7cc4113..3cd29a4 100644
--- a/drivers/video/exynos/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos/exynos_mipi_dsi_common.c
@@ -79,11 +79,6 @@ irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id)
struct mipi_dsim_device *dsim = dev_id;
unsigned int intsrc, intmsk;
- if (dsim == NULL) {
- dev_err(dsim->dev, "%s: wrong parameter\n", __func__);
- return IRQ_NONE;
- }
-
intsrc = exynos_mipi_dsi_read_interrupt(dsim);
intmsk = exynos_mipi_dsi_read_interrupt_mask(dsim);
intmsk = ~intmsk & intsrc;