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block: remove redundant check before g_slist_find()

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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 <berto@igalia.com>
Message-id: 1435583533-5758-1-git-send-email-berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alberto Garcia
2015-07-02 10:06:23 +01:00
committed by Stefan Hajnoczi
parent 29c838cdc9
commit 764ba3ae51
1 changed files with 1 additions and 1 deletions
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block/io.c
+1 -1
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@@ -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);
}
}