The address of the bzImage is not recorded in the bootflow, so we cannot actually locate the version at present. Handle this case, to avoid showing invalid data.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/lib/zimage.c | 13 ++++++++----- cmd/bootflow.c | 2 ++ 2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index fb69d0ef561..d74c404464c 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -559,7 +559,6 @@ void zimage_dump(struct bootm_info *bmi, struct boot_params *base_ptr, bool show_cmdline) { struct setup_header *hdr; - const char *version; int i;
printf("Setup located at %p:\n\n", base_ptr); @@ -596,10 +595,14 @@ void zimage_dump(struct bootm_info *bmi, struct boot_params *base_ptr, print_num("Real mode switch", hdr->realmode_swtch); print_num("Start sys seg", hdr->start_sys_seg); print_num("Kernel version", hdr->kernel_version); - version = zimage_get_kernel_version(base_ptr, - (void *)bmi->bzimage_addr); - if (version) - printf(" @%p: %s\n", version, version); + if (bmi->bzimage_addr) { + const char *version; + + version = zimage_get_kernel_version(base_ptr, + (void *)bmi->bzimage_addr); + if (version) + printf(" @%p: %s\n", version, version); + } print_num("Type of loader", hdr->type_of_loader); show_loader(hdr); print_num("Load flags", hdr->loadflags); diff --git a/cmd/bootflow.c b/cmd/bootflow.c index 5ab322ef00d..b3b78bebaed 100644 --- a/cmd/bootflow.c +++ b/cmd/bootflow.c @@ -384,6 +384,8 @@ static int do_bootflow_info(struct cmd_tbl *cmdtp, int flag, int argc, struct bootm_info bmi;
bootm_init(&bmi); + /* we don't know this at present */ + bootm_x86_set(&bmi, bzimage_addr, 0); zimage_dump(&bmi, bflow->x86_setup, false);
return 0;