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[Qemu-devel] [PATCH] block: remove redundant check before g_slist_find()


From: Alberto Garcia
Subject: [Qemu-devel] [PATCH] block: remove redundant check before g_slist_find()
Date: Mon, 29 Jun 2015 16:12:13 +0300

An empty GSList is represented by a NULL pointer, therefore it's a
perfectly valid argument for g_slist_find() and there's no need to
make any additional check.

Signed-off-by: Alberto Garcia <address@hidden>
---
 block/io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/io.c b/block/io.c
index e295992..2f7f889 100644
--- a/block/io.c
+++ b/block/io.c
@@ -283,7 +283,7 @@ void bdrv_drain_all(void)
         }
         aio_context_release(aio_context);
 
-        if (!aio_ctxs || !g_slist_find(aio_ctxs, aio_context)) {
+        if (!g_slist_find(aio_ctxs, aio_context)) {
             aio_ctxs = g_slist_prepend(aio_ctxs, aio_context);
         }
     }
-- 
2.1.4




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