drivers/bios_emulator: Fix gcc 4.4 compiler warning
biosemu.c: In function 'BE_setVGA':
biosemu.c:147: warning: dereferencing type-punned pointer will break strict-aliasing rules
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/drivers/bios_emulator/biosemu.c b/drivers/bios_emulator/biosemu.c
index d0c6521..cfa836c 100644
--- a/drivers/bios_emulator/biosemu.c
+++ b/drivers/bios_emulator/biosemu.c
@@ -144,7 +144,8 @@
_BE_env.biosmem_base = _BE_env.busmem_base + 0x20000;
_BE_env.biosmem_limit = 0xC7FFF;
}
- if (*((u32 *) info->LowMem) == 0)
+ if ((info->LowMem[0] == 0) && (info->LowMem[1] == 0) &&
+ (info->LowMem[2] == 0) && (info->LowMem[3] == 0))
_BE_bios_init((u32 *) info->LowMem);
memcpy((u8 *) M.mem_base, info->LowMem, sizeof(info->LowMem));
}