Avoided potential dereference of NULL. Thanks Eliska Svobodova.

2019-08-13 18:04:59 +02:00
parent 56a596208c
commit e17db6aa3e
3 changed files with 5 additions and 5 deletions
--- a/xorriso/parse_exec.c
+++ b/xorriso/parse_exec.c
@ -97,7 +97,7 @@ int Xorriso_opt_args(struct XorrisO *xorriso, char *cmd,
 else
   do_expand= (xorriso->do_iso_rr_pattern==1 && !(flag&4)) || (flag & 512);
 if(flag&256) {
-   if(*optv < argv || (*optv >= argv + argc && argc > 0))
+   if(argv == NULL || *optv < argv || (*optv >= argv + argc && argc > 0))
     Sfile_destroy_argv(optc, optv, 0);
   return(1);
 }