[VIDEO] sunxvr500fb: Fix pseudo_palette array size

- the pseudo_palette is only 16 elements long.
- the pseudo_palette has only 16 elements. Do not write if regno (the array
  index) is more than 15.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c
index 08880a62bfa3302e3983169b73dd461f6c50913d..71bf3f1f00bcf1b9f2aa018281494a9a2a6b0e72 100644 (file)
--- a/drivers/video/sunxvr500.c
+++ b/drivers/video/sunxvr500.c
@@ -50,7 +50,7 @@ struct e3d_info {
        u32                     fb8_0_off;
        u32                     fb8_1_off;
 
-       u32                     pseudo_palette[256];
+       u32                     pseudo_palette[16];
 };
 
 static int __devinit e3d_get_props(struct e3d_info *ep)
@@ -126,7 +126,9 @@ static int e3d_setcolreg(unsigned regno,
        blue_8 = blue >> 8;
 
        value = (blue_8 << 24) | (green_8 << 16) | (red_8 << 8);
-       ((u32 *)info->pseudo_palette)[regno] = value;
+
+       if (info->fix.visual == FB_VISUAL_TRUECOLOR && regno < 16)
+               ((u32 *)info->pseudo_palette)[regno] = value;
 
 
        red_10 = red >> 6;