On Wed, Oct 31, 2012 at 05:57:27PM +0200, Pantelis Antoniou wrote: [...] > diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c [...] > @@ -20,6 +20,8 @@ > #include > #include > #include > +#include > +#include linux/err.h is already included earlier. Thierry