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From: Peter Xu <peterx@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: qemu-devel@nongnu.org, Fabiano Rosas <farosas@suse.de>,
	Leonardo Bras <leobras@redhat.com>
Subject: Re: [PATCH] migration: Unlock mutex in error case
Date: Thu, 2 Nov 2023 09:41:43 -0400	[thread overview]
Message-ID: <ZUOnFxnHOrwuwPtI@x1n> (raw)
In-Reply-To: <20231102091245.42045-1-quintela@redhat.com>

On Thu, Nov 02, 2023 at 10:12:45AM +0100, Juan Quintela wrote:
> We were not unlocking bitmap mutex on the error case.
> Coverity discovered the problem.
> 
> Fixes: a2326705e5 ("migration: Stop migration immediately in RDMA error paths")
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  migration/ram.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/migration/ram.c b/migration/ram.c
> index 34724e8fe8..8c4df60f29 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -3040,6 +3040,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
>          ret = rdma_registration_start(f, RAM_CONTROL_ROUND);
>          if (ret < 0) {
>              qemu_file_set_error(f, ret);
> +            qemu_mutex_unlock(&rs->bitmap_mutex);
>              goto out;
>          }

Reviewed-by: Peter Xu <peterx@redhat.com>

-- 
Peter Xu



      parent reply	other threads:[~2023-11-02 13:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02  9:12 [PATCH] migration: Unlock mutex in error case Juan Quintela
2023-11-02 12:50 ` Peter Maydell
2023-11-02 13:16 ` Alex Bennée
2023-11-03  7:37   ` Juan Quintela
2023-11-02 13:41 ` Peter Xu [this message]

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