[coreboot-gerrit] Patch set updated for coreboot: 34d00c2 device/oprom/realmode/x86: Fix memory corruption

[Paul Menzel (paulepanter@users.sourceforge.net)]

Paul Menzel (paulepanter at users.sourceforge.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8227

-gerrit

commit 34d00c203579fe7de4d1f0268367f68b4adf0c26
Author: Zhuo-Hao Lee <zhuo-hao.lee at intel.com>
Date:   Wed Dec 24 11:13:34 2014 +0800

    device/oprom/realmode/x86: Fix memory corruption
    
    The length of the memcpy is incorrect and this will cause the
    destination buffer to corrupt the following 2 bytes of data.
    
    BUG=none
    BRANCH=All
    TEST=build and boot on rambi, system boot up without error
    
    Change-Id: I96adf2555b01aa35bb38a2e0f221fc2b2e87a41b
    Signed-off-by: Zhuo-Hao Lee <zhuo-hao.lee at intel.com>
    Reviewed-on: https://chromium-review.googlesource.com/237510
    Reviewed-by: Ryan Lin <ryan.lin at intel.com>
    Reviewed-by: Duncan Laurie <dlaurie at chromium.org>
    Signed-off-by: Paul Menzel <paulepanter at users.sourceforge.net>
---
 src/device/oprom/realmode/x86.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/device/oprom/realmode/x86.c b/src/device/oprom/realmode/x86.c
index fc3c40c..07eb26c 100644
--- a/src/device/oprom/realmode/x86.c
+++ b/src/device/oprom/realmode/x86.c
@@ -233,7 +233,8 @@ static u8 vbe_get_mode_info(vbe_mode_info_t * mi)
 	u16 buffer_adr = ((unsigned long)buffer) & 0xffff;
 	realmode_interrupt(0x10, VESA_GET_MODE_INFO, 0x0000,
 			mi->video_mode, 0x0000, buffer_seg, buffer_adr);
-	memcpy(mi->mode_info_block, buffer, sizeof(vbe_mode_info_t));
+	memcpy(mi->mode_info_block, buffer,
+		FIELD_SIZEOF(vbe_mode_info_t, mode_info_block));
 	mode_info_valid = 1;
 	return 0;
 }