Fix: write index only if fd is valid

Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/src/common/index/index.c b/src/common/index/index.c
index 54689677ee4a2f3dd3c56a6f06236115f659ead6..58918caaa7dc6dfd790c15d9ced857ad2ecf7c4e 100644 (file)
--- a/src/common/index/index.c
+++ b/src/common/index/index.c
@@ -100,14 +100,19 @@ ssize_t index_write(int fd, struct ctf_packet_index *index, size_t len)
 {
        ssize_t ret;
 
-       assert(fd >= 0);
        assert(index);
 
+       if (fd < 0) {
+               ret = -EINVAL;
+               goto error;
+       }
+
        ret = lttng_write(fd, index, len);
        if (ret < len) {
                PERROR("writing index file");
        }
 
+error:
        return ret;
 }