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[v5,08/12] video: da8xx-fb: invoke platform callback safely

Message ID 0982f52598fdfc5140af251f998a43146fdf42dc.1359356015.git.afzal@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Afzal Mohammed Jan. 28, 2013, 9:21 a.m. UTC
Ensure that platform data is present before checking whether platform
callback is present (the one used to control backlight). So far this
was not an issue as driver was purely non-DT triggered, but now DT
support has been added.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
---
 drivers/video/da8xx-fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 08ee8eb..0beed20 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -1347,7 +1347,7 @@  static int fb_probe(struct platform_device *device)
 	par->dev = &device->dev;
 	par->lcdc_clk = fb_clk;
 	par->lcd_fck_rate = clk_get_rate(fb_clk);
-	if (fb_pdata->panel_power_ctrl) {
+	if (fb_pdata && fb_pdata->panel_power_ctrl) {
 		par->panel_power_ctrl = fb_pdata->panel_power_ctrl;
 		par->panel_power_ctrl(1);
 	}