From: Vincent Fu <vincent.fu@wdc.com>
Date: Wed, 31 Jul 2019 20:57:51 +0000 (-0400)
Subject: smalloc: fix compiler warning on Windows
X-Git-Tag: fio-3.16~41
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=82a90566caf08964064e74241e5eb5e42c6fb189;p=fio.git

smalloc: fix compiler warning on Windows

firstfree() triggers a warning from the Windows compiler used by
AppVeyor because it doesn't return a value if the for loop iterates to
completion. This patch resolves the compiler warning.

AppVeyor Windows build log: https://ci.appveyor.com/project/axboe/fio/builds/26381726

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/smalloc.c b/smalloc.c
index c97bcbaa..0d7054a4 100644
--- a/smalloc.c
+++ b/smalloc.c
@@ -347,6 +347,9 @@ static unsigned int firstfree(struct pool *pool)
                         return i;
 
         assert(0);
+
+	/* we will never get here but this fixes a compiler warning */
+	return -1U;
 }
 
 static void *__smalloc_pool(struct pool *pool, size_t size)