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tools/imagetool: Fix segfault when tparams->verify_header is NULL

Browse source 
On some image types like i.MX8 and i.MX8M, the verify_header function
is not implemented.

Before this commit, no check on tparams->verify_header was done causing
a segfault if NULL. Now, a proper error message is printed.

Signed-off-by: Nicolas Heemeryck <nicolas.heemeryck@gmail.com>
This commit is contained in:
Nicolas Heemeryck 2022-04-20 23:58:39 +02:00 committed by Tom Rini
parent 5d834bfa5f
commit 30705cd892
1 changed files with 21 additions and 15 deletions
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36
tools/imagetool.c
View file

@ -80,27 +80,33 @@ static int imagetool_verify_print_header_by_type(
struct image_type_params *tparams,
struct image_tool_params *params)
{
int retval;
int retval = -1;
retval = tparams->verify_header((unsigned char *)ptr, sbuf->st_size,
params);
if (tparams->verify_header) {
retval = tparams->verify_header((unsigned char *)ptr,
sbuf->st_size, params);
if (retval == 0) {
/*
* Print the image information if verify is successful
*/
if (tparams->print_header) {
if (!params->quiet)
tparams->print_header(ptr);
if (retval == 0) {
/*
* Print the image information if verify is successful
*/
if (tparams->print_header) {
if (!params->quiet)
tparams->print_header(ptr);
} else {
fprintf(stderr,
"%s: print_header undefined for %s\n",
params->cmdname, tparams->name);
}
} else {
fprintf(stderr,
"%s: print_header undefined for %s\n",
params->cmdname, tparams->name);
"%s: verify_header failed for %s with exit code %d\n",
params->cmdname, tparams->name, retval);
}
} else {
fprintf(stderr,
"%s: verify_header failed for %s with exit code %d\n",
params->cmdname, tparams->name, retval);
fprintf(stderr, "%s: print_header undefined for %s\n",
params->cmdname, tparams->name);
}
return retval;