These tools crash if no arguments are provided. Add checks to avoid this.
Signed-off-by: Simon Glass sjg@chromium.org ---
tools/fit_check_sign.c | 9 +++++++++ tools/fit_info.c | 12 ++++++++++++ 2 files changed, 21 insertions(+)
diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c index af257cc..e1198bc 100644 --- a/tools/fit_check_sign.c +++ b/tools/fit_check_sign.c @@ -62,6 +62,15 @@ int main(int argc, char **argv) break; }
+ if (!fdtfile) { + fprintf(stderr, "%s: Missing fdt file\n", *argv); + usage(*argv); + } + if (!keyfile) { + fprintf(stderr, "%s: Missing key file\n", *argv); + usage(*argv); + } + ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false); if (ffd < 0) return EXIT_FAILURE; diff --git a/tools/fit_info.c b/tools/fit_info.c index afbed7b..481ac6d 100644 --- a/tools/fit_info.c +++ b/tools/fit_info.c @@ -68,6 +68,18 @@ int main(int argc, char **argv) break; }
+ if (!fdtfile) { + fprintf(stderr, "%s: Missing fdt file\n", *argv); + usage(*argv); + } + if (!nodename) { + fprintf(stderr, "%s: Missing node name\n", *argv); + usage(*argv); + } + if (!propertyname) { + fprintf(stderr, "%s: Missing property name\n", *argv); + usage(*argv); + } ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
if (ffd < 0) {