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Search for dtb only if not existed

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topjohnwu 2017-09-13 22:32:51 +08:00
parent 7a376c9efc
commit b614b06736
1 changed files with 10 additions and 8 deletions
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18
jni/magiskboot/bootimg.c
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@ -92,14 +92,16 @@ int parse_img(void *orig, size_t size, boot_img *boot) {
boot->extra = base + pos; boot->extra = base + pos;
} }
// Linear search in kernel for DTB // Search for dtb in kernel if not found
for (int i = 0; i < boot->hdr.kernel_size; ++i) { if (boot->hdr.dt_size == 0) {
if (memcmp(boot->kernel + i, DTB_MAGIC, 4) == 0) { for (int i = 0; i < boot->hdr.kernel_size; ++i) {
boot->flags |= APPEND_DTB; if (memcmp(boot->kernel + i, DTB_MAGIC, 4) == 0) {
boot->dtb = boot->kernel + i; boot->flags |= APPEND_DTB;
boot->hdr.dt_size = boot->hdr.kernel_size - i; boot->dtb = boot->kernel + i;
boot->hdr.kernel_size = i; boot->hdr.dt_size = boot->hdr.kernel_size - i;
fprintf(stderr, "APPEND_DTB [%d]\n", boot->hdr.dt_size); boot->hdr.kernel_size = i;
fprintf(stderr, "APPEND_DTB [%d]\n", boot->hdr.dt_size);
}
} }
} }