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-rw-r--r--nanddump.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/nanddump.c b/nanddump.c
index b0dd7dc..6a6f904 100644
--- a/nanddump.c
+++ b/nanddump.c
@@ -173,6 +173,13 @@ static void process_options(int argc, char * const argv[])
}
}
+ if (start_addr < 0)
+ errmsg_die("Can't specify negative offset with option -s: %lld",
+ start_addr);
+
+ if (length < 0)
+ errmsg_die("Can't specify negative length with option -l: %lld", length);
+
if (quiet && pretty_print) {
fprintf(stderr, "The quiet and pretty print options are mutually-\n"
"exclusive. Choose one or the other.\n");