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Diffstat (limited to 'target/linux/bcm63xx/patches-5.4/401-bcm963xx_real_rootfs_length.patch')
-rw-r--r--target/linux/bcm63xx/patches-5.4/401-bcm963xx_real_rootfs_length.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm63xx/patches-5.4/401-bcm963xx_real_rootfs_length.patch b/target/linux/bcm63xx/patches-5.4/401-bcm963xx_real_rootfs_length.patch
new file mode 100644
index 0000000000..efefba41b5
--- /dev/null
+++ b/target/linux/bcm63xx/patches-5.4/401-bcm963xx_real_rootfs_length.patch
@@ -0,0 +1,27 @@
+--- a/include/linux/bcm963xx_tag.h
++++ b/include/linux/bcm963xx_tag.h
+@@ -92,8 +92,10 @@ struct bcm_tag {
+ __u32 rootfs_crc;
+ /* 224-227: CRC32 of kernel partition */
+ __u32 kernel_crc;
+- /* 228-235: Unused at present */
+- char reserved1[8];
++ /* 228-231: Unused at present */
++ char reserved1[4];
++ /* 222-235: Openwrt: real rootfs length */
++ __u32 real_rootfs_length;
+ /* 236-239: CRC32 of header excluding last 20 bytes */
+ __u32 header_crc;
+ /* 240-255: Unused at present */
+--- a/drivers/mtd/parsers/parser_imagetag.c
++++ b/drivers/mtd/parsers/parser_imagetag.c
+@@ -137,7 +137,8 @@ static int bcm963xx_parse_imagetag_parti
+ } else {
+ /* OpenWrt layout */
+ rootfsaddr = kerneladdr + kernellen;
+- rootfslen = spareaddr - rootfsaddr;
++ rootfslen = buf->real_rootfs_length;
++ spareaddr = rootfsaddr + rootfslen;
+ }
+ } else {
+ goto out;