[Bug 3223] insmod/modprobe incorrectly parses several parameters in kernel 2.4

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=3223

--- Comment #1 from Denys Vlasenko <vda.linux at googlemail.com>  ---
-                       p = skip_whitespace(p);
-                       if (*p != ',')
-                               break;
+                       if (*p != '\0') {
+                               p = skip_whitespace(p);
+                               if (*p != ',')
+                                       break;
+                       }
                        p = skip_whitespace(p + 1);

And if *p == '\0' because we genuinely reached terminating NUL, not because we
replaces ',' with '\0', then what p = skip_whitespace(p + 1) do?

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