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Subject: Re: [PATCH] drivers/scsi/fnic/fnic_trace.c: Use vzalloc
To:     John Garry <john.garry@huawei.com>,
        Sabyasachi Gupta <sabyasachi.linux@gmail.com>,
        satishkh@cisco.com, sebaddel@cisco.com, kartilak@cisco.com,
        jejb@linux.vnet.ibm.com, martin.petersen@oracle.com
Cc:     jrdr.linux@gmail.com, linux-scsi@vger.kernel.org,
        linux-kernel@vger.kernel.org, brajeswar.linux@gmail.com
References: <5beae8ff.1c69fb81.bd59a.b7fa@mx.google.com>
 <a34379dd-f6f0-b439-b6de-f2db142f1823@huawei.com>
From:   Johannes Thumshirn <jthumshirn@suse.de>
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Message-ID: <13d3418f-49d1-d683-48a6-cedbc073d86f@suse.de>
Date:   Tue, 13 Nov 2018 16:53:39 +0100
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Sender: linux-kernel-owner@vger.kernel.org
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On 13/11/2018 16:44, John Garry wrote:
> On 13/11/2018 15:08, Sabyasachi Gupta wrote:
>> Replaced vmalloc + memset with vzalloc
>>
>> Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
>> ---
>> ?drivers/scsi/fnic/fnic_trace.c | 4 ++--
>> ?1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/scsi/fnic/fnic_trace.c
>> b/drivers/scsi/fnic/fnic_trace.c
>> index 8271785..129ab27 100644
>> --- a/drivers/scsi/fnic/fnic_trace.c
>> +++ b/drivers/scsi/fnic/fnic_trace.c
>> @@ -468,14 +468,14 @@ int fnic_trace_buf_init(void)
>> ???? fnic_max_trace_entries = (trace_max_pages * PAGE_SIZE)/
>> ?????????????????????? FNIC_ENTRY_SIZE_BYTES;
>>
>> -??? fnic_trace_buf_p = (unsigned long)vmalloc((trace_max_pages *
>> PAGE_SIZE));
>> +??? fnic_trace_buf_p = (unsigned long)vzalloc((trace_max_pages *
>> +??????????????????????????????? PAGE_SIZE));
> 
> If you remove the extra brackets in vzalloc() argument then you may not
> spill onto the next line.

And remove the unnecessary cast. vzalloc() (just like vmalloc()) returns
a void*, so no reason to cast it.

-- 
Johannes Thumshirn                                        SUSE Labs
jthumshirn@suse.de                                +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg
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