Fix coverity issue with -1 returned by findOffset not being handled by getPreferredTag

diff --git a/ext/intl/locale/locale_methods.c b/ext/intl/locale/locale_methods.c
index d1a86d8ee27f41060904a15189da7aa0af2e2d29..915f4d5af47d84ca3a25f0d974d9186184fdc3c2 100644 (file)
--- a/ext/intl/locale/locale_methods.c
+++ b/ext/intl/locale/locale_methods.c
@@ -127,6 +127,9 @@ static char* getPreferredTag(char* gf_tag)
        int grOffset = 0;
 
        grOffset = findOffset( LOC_GRANDFATHERED ,gf_tag);
+       if(grOffset < 0) {
+               return NULL;
+       }
        if( grOffset < LOC_PREFERRED_GRANDFATHERED_LEN ){
                /* return preferred tag */
                result = estrdup( LOC_PREFERRED_GRANDFATHERED[grOffset] );