stat: fix wrong check for whether we have a description or not

It's an array, hence never NULL. Check for size instead.

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/stat.c b/stat.c
index 5a553d00653700634872e406b6b280bb3c02d763..ca733108a879b772d45186a0600e8439f9f50433 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -831,7 +831,7 @@ static void show_thread_status_terse_v2(struct thread_stat *ts,
        log_info("\n");
 
        /* Additional output if description is set */
-       if (ts->description)
+       if (strlen(ts->description))
                log_info(";%s", ts->description);
 
        log_info("\n");