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Commit 22ccb2a1 authored by Syam Sidhardhan's avatar Syam Sidhardhan Committed by Patrik Jakobsson
Browse files

gma500: medfield: Fix possible NULL pointer dereference 



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

Signed-off-by: default avatarSyam Sidhardhan <s.syam@samsung.com>
Signed-off-by: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
parent bc6a5419

drivers/gpu/drm/gma500/mdfld_dsi_output.c

+5 −2
Original line number Diff line number Diff line
@@ -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);