static u32 rgb_48_to_32(char *val)
{
	u32 res = 0x0;
	u32 i;

	for (i=0; i<3; i++) {
		u32 v = val[2*i];
		v<<=8;
		v|=val[2*i + 1];
		v/=0xFF;

		res <<= 8;
		res |= v;
	}
	return res;
}
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.