1f4e5f77a0
Check bootloader argument in mtd.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
[jogo@openwrt.org: split into two patches, one for detection,
one letting bcm63xxpart use it.]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 36659
27 lines
915 B
Diff
27 lines
915 B
Diff
--- a/include/uapi/linux/bcm963xx_tag.h
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+++ b/include/uapi/linux/bcm963xx_tag.h
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@@ -85,8 +85,10 @@ struct bcm_tag {
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__u32 rootfs_crc;
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/* 224-227: CRC32 of kernel partition */
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__u32 kernel_crc;
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- /* 228-235: Unused at present */
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- char reserved1[8];
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+ /* 228-231: Image sequence number */
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+ char image_sequence[4];
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+ /* 222-235: Openwrt: real rootfs length */
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+ __u32 real_rootfs_length;
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/* 236-239: CRC32 of header excluding last 20 bytes */
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__u32 header_crc;
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/* 240-255: Unused at present */
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--- a/drivers/mtd/bcm63xxpart.c
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+++ b/drivers/mtd/bcm63xxpart.c
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@@ -110,7 +110,8 @@ static int bcm63xx_parse_cfe_partitions(
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} else {
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/* OpenWrt layout */
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rootfsaddr = kerneladdr + kernellen;
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- rootfslen = spareaddr - rootfsaddr;
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+ rootfslen = buf->real_rootfs_length;
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+ spareaddr = rootfsaddr + rootfslen;
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}
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} else {
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pr_warn("CFE boot tag CRC invalid (expected %08x, actual %08x)\n",
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