68 lines
2.0 KiB
Diff
68 lines
2.0 KiB
Diff
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From 1196a2079a558cbb673e06142fa67a401c5e6c30 Mon Sep 17 00:00:00 2001
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From: Pan Nengyuan <pannengyuan@huawei.com>
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Date: Thu, 5 Dec 2019 11:45:27 +0800
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Subject: [PATCH 6/9] block/nbd: extract the common cleanup code
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The BDRVNBDState cleanup code is common in two places, add
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nbd_clear_bdrvstate() function to do these cleanups.
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Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
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Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
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Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Message-Id: <1575517528-44312-2-git-send-email-pannengyuan@huawei.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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[eblake: fix compilation error and commit message]
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Signed-off-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: AlexChen <alex.chen@huawei.com>
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---
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block/nbd.c | 19 ++++++++++++-------
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1 file changed, 12 insertions(+), 7 deletions(-)
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diff --git a/block/nbd.c b/block/nbd.c
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index 57c1a20..3977b1e 100644
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--- a/block/nbd.c
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+++ b/block/nbd.c
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@@ -73,6 +73,16 @@ typedef struct BDRVNBDState {
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char *export, *tlscredsid;
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} BDRVNBDState;
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+static void nbd_clear_bdrvstate(BDRVNBDState *s)
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+{
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+ qapi_free_SocketAddress(s->saddr);
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+ s->saddr = NULL;
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+ g_free(s->export);
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+ s->export = NULL;
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+ g_free(s->tlscredsid);
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+ s->tlscredsid = NULL;
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+}
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+
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static void nbd_recv_coroutines_wake_all(BDRVNBDState *s)
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{
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int i;
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@@ -1640,9 +1650,7 @@ static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
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object_unref(OBJECT(tlscreds));
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}
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if (ret < 0) {
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- qapi_free_SocketAddress(s->saddr);
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- g_free(s->export);
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- g_free(s->tlscredsid);
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+ nbd_clear_bdrvstate(s);
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}
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qemu_opts_del(opts);
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return ret;
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@@ -1692,10 +1700,7 @@ static void nbd_close(BlockDriverState *bs)
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BDRVNBDState *s = bs->opaque;
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nbd_client_close(bs);
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-
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- qapi_free_SocketAddress(s->saddr);
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- g_free(s->export);
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- g_free(s->tlscredsid);
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+ nbd_clear_bdrvstate(s);
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}
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static int64_t nbd_getlength(BlockDriverState *bs)
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--
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1.8.3.1
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