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[Qemu-devel] Re: [PATCH v2] Improve error handling in do_snapshot_blkdev

From: Jes Sorensen
Subject: [Qemu-devel] Re: [PATCH v2] Improve error handling in do_snapshot_blkdev()
Date: Mon, 07 Mar 2011 16:24:30 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7

On 03/07/11 11:01, Kevin Wolf wrote:
> Am 03.03.2011 14:13, schrieb address@hidden:
>> @@ -591,6 +592,12 @@ int do_snapshot_blkdev(Monitor *mon, const QDict 
>> *qdict, QObject **ret_data)
>>          goto out;
>>      }
>> +    strncpy(old_filename, bs->filename, sizeof(old_filename));
>> +    old_filename[1023] = '\0';
> qemu has pstrcpy() from cutils.c for this.

I'll change it to use pstrcpy().

>> -        abort();
>> +        qerror_report(QERR_OPEN_FILE_FAILED, filename);
>> +        error_printf("do_snapshot_blkdev(): Unable to open newly created "
>> +                     "snapshot file: \n");
>> +        error_printf(" %s. Attempting to revert to original image %s\n",
> That should probably be a colon in "%s: Attempting..." Also, is the
> leading space intentional?

The colon is already there prior to the \n" on the previous printf line.
The space was intentional, but maybe that will just confuse people so I
will remove it. I added a colon after image: in the last line instead.

Look out for v3.


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