char *str, *options, *this_opt;
int r = 0;
- str = kmalloc(strlen(def_mode) + 1, GFP_KERNEL);
- strcpy(str, def_mode);
+ str = kstrdup(def_mode, GFP_KERNEL);
+ if (!str)
+ return -ENOMEM;
options = str;
while (!r && (this_opt = strsep(&options, ",")) != NULL) {