From: Markus Elfring <Markus.Elfring@web.de>
To: Paolo Bonzini <pbonzini@redhat.com>,
Xianting Tian <xianting_tian@126.com>,
linux-scsi@vger.kernel.org,
virtualization@lists.linux-foundation.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
"James E. J. Bottomley" <jejb@linux.ibm.com>,
Jason Wang <jasowang@redhat.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [PATCH] scsi: virtio_scsi: Remove unnecessary condition checks
Date: Thu, 09 Jul 2020 20:55:46 +0000 [thread overview]
Message-ID: <072edd61-9b00-4c63-804f-e98bf271b683@web.de> (raw)
In-Reply-To: <e87746e6-813e-7c0e-e21e-5921e759da5d@redhat.com>
>>> + mempool_destroy(virtscsi_cmd_pool);
>>> + virtscsi_cmd_pool = NULL;
>>> + kmem_cache_destroy(virtscsi_cmd_cache);
>>> + virtscsi_cmd_cache = NULL;
>>> return ret;
>>> }
>>
>> How do you think about to add a jump target so that the execution
>> of a few statements can be avoided according to a previous
>> null pointer check?
>
> The point of the patch is precisely to simplify the code,
I propose another bit of fine-tuning there.
> executing a couple more instruction is not an issue.
Can an additional label help here besides a possible identifier renaming?
Regards,
Markus
next prev parent reply other threads:[~2020-07-09 20:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 17:16 [PATCH] scsi: virtio_scsi: Remove unnecessary condition checks Markus Elfring
2020-07-09 17:25 ` Paolo Bonzini
2020-07-09 20:55 ` Markus Elfring [this message]
2020-07-10 6:32 ` Markus Elfring
2020-07-10 7:17 ` Paolo Bonzini
2020-07-10 7:40 ` Markus Elfring
2020-07-10 7:46 ` Paolo Bonzini
2020-07-10 8:11 ` Markus Elfring
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