[tools] fix padding between end of the kernel and beginning of the rootfs in imagetag...

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15801 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/tools/firmware-utils/src/imagetag.c b/tools/firmware-utils/src/imagetag.c
index a5b7a93..31ba9b9 100644 (file)
--- a/tools/firmware-utils/src/imagetag.c
+++ b/tools/firmware-utils/src/imagetag.c
@@ -153,7 +153,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
        struct imagetag tag;
        struct kernelhdr khdr;
        FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
-       size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen;
+       size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen, rootfsoffpadlen;
        uint8_t readbuf[1024];
        uint32_t crc = IMAGETAG_CRC_START;
        const uint32_t deadcode = htonl(DEADCODE);
@@ -203,6 +203,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
        rootfslen = getlen(rootfsfile);
        rootfslen = (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen;
        imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
+       rootfsoffpadlen = rootfsoff - (kerneloff + kernellen);
 
        /* Seek to the start of the kernel */
        fseek(binfile, kerneloff - fwaddr, SEEK_SET);
@@ -260,7 +261,7 @@ int tagfile(const char *kernel, const char *rootfs, const char *bin,
 
        if (kernelfile) {
                sprintf(tag.kernel.address, "%lu", kerneloff);
-               sprintf(tag.kernel.len, "%lu", kernellen);
+               sprintf(tag.kernel.len, "%lu", kernellen + rootfsoffpadlen);
        }
 
        if (rootfsfile) {