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gma500: medfield: Fix possible NULL pointer dereference 

The use of pointer sender should be after the NULL check.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
hifive-unleashed-5.1
Syam Sidhardhan 2013-02-25 04:01:48 +05:30 committed by Patrik Jakobsson
parent bc6a541941
commit 22ccb2a146
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/gma500/mdfld_dsi_output.c
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@ -92,8 +92,8 @@ void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
{
struct mdfld_dsi_pkg_sender *sender =
mdfld_dsi_get_pkg_sender(dsi_config);
struct drm_device *dev = sender->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
struct drm_device *dev;
struct drm_psb_private *dev_priv;
u32 gen_ctrl_val;
if (!sender) {
@ -101,6 +101,9 @@ void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
return;
}
dev = sender->dev;
dev_priv = dev->dev_private;
/* Set default display backlight value to 85% (0xd8)*/
mdfld_dsi_send_mcs_short(sender, write_display_brightness, 0xd8, 1,
true);