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Re: [Qemu-devel] [PATCH] exec;fix early return from ram_block_add
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH] exec;fix early return from ram_block_add |
Date: |
Thu, 10 Mar 2016 09:05:03 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, 03/09 18:16, Paolo Bonzini wrote:
In the subject:
s/;/: /
> After reporting an error, ram_block_add was going on with the registration
> of the RAMBlock. The visible effect is that it unlocked the ramlist
> mutex twice.
>
> Fixes: 528f46af6ecd1e300db18684969104d4067b867b
Yes, this was my mistake in that patch. Thanks for the fix!
Reviewed-by: Fam Zheng <address@hidden>
Fam
> Cc: Fam Zheng <address@hidden>
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
> exec.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/exec.c b/exec.c
> index d972737..11a5fa1 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -1588,6 +1588,7 @@ static void ram_block_add(RAMBlock *new_block, Error
> **errp)
> if (err) {
> error_propagate(errp, err);
> qemu_mutex_unlock_ramlist();
> + return;
> }
> } else {
> new_block->host = phys_mem_alloc(new_block->max_length,
> @@ -1597,6 +1598,7 @@ static void ram_block_add(RAMBlock *new_block, Error
> **errp)
> "cannot set up guest memory '%s'",
> memory_region_name(new_block->mr));
> qemu_mutex_unlock_ramlist();
> + return;
> }
> memory_try_enable_merging(new_block->host,
> new_block->max_length);
> }
> --
> 2.5.0
>