diff options
| -rw-r--r-- | main/channel.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/main/channel.c b/main/channel.c index 464c9faf1..b66c875b5 100644 --- a/main/channel.c +++ b/main/channel.c @@ -2921,7 +2921,10 @@ int ast_indicate_data(struct ast_channel *chan, int _condition, /* The channel driver does not support this indication, let's fake * it by doing our own tone generation if applicable. */ - if (condition < 0) { + /*!\note If we compare the enumeration type, which does not have any + * negative constants, the compiler may optimize this code away. + * Therefore, we must perform an integer comparison here. */ + if (_condition < 0) { /* Stop any tones that are playing */ ast_playtones_stop(chan); return 0; |