Re: [PATCH] drivers/scsi/fnic/fnic_trace.c: Use vzalloc

From: Johannes Thumshirn
Date: Tue Nov 13 2018 - 10:53:44 EST


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@xxxxxxxxx>
>> ---
>>  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
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