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Commit fdfaa483 authored by York Sun's avatar York Sun Committed by Linus Torvalds
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freescale DIU: bug fix: add sanity check for AOI position 



AOI position cannot be negative.

Signed-off-by: default avatarYork Sun <yorksun@freescale.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ae5591e3

drivers/video/fsl-diu-fb.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -479,6 +479,10 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var, 
	base_plane_width = machine_data->fsl_diu_info[0]->var.xres;

	base_plane_width = machine_data->fsl_diu_info[0]->var.xres;

	base_plane_height = machine_data->fsl_diu_info[0]->var.yres;

	base_plane_height = machine_data->fsl_diu_info[0]->var.yres;





	if (mfbi->x_aoi_d < 0)

		mfbi->x_aoi_d = 0;

	if (mfbi->y_aoi_d < 0)

		mfbi->y_aoi_d = 0;

	switch (index) {

	switch (index) {

	case 0:

	case 0:

		if (mfbi->x_aoi_d != 0)

		if (mfbi->x_aoi_d != 0)