When patching 3.2.0.8, busybox grep is used, and it doesn't support Perl regular expressions. Negative lookahead is probably difficult to do without that, so rewrite as two grep expressions, the second to filter out /src/ paths. 3.0.1.11 worked fine, so it's probably new in 3.2.0.8.
When patching 3.2.0.8, busybox grep is used, and it doesn't support Perl regular expressions. Negative lookahead is probably difficult to do without that, so rewrite as two grep expressions, the second to filter out /src/ paths. 3.0.1.11 worked fine, so it's probably new in 3.2.0.8.