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[PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

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  [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue Sohny Thomas <sohnythomas@zoho.com> - 2015-06-30 23:40 +0200
    Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style  issue Sohny Thomas <sohnythomas@zoho.com> - 2015-07-01 09:40 +0200
      Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style  issue Julia Lawall <julia.lawall@lip6.fr> - 2015-07-01 10:10 +0200
      Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style  issue Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-07-01 10:10 +0200
        Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style  issue Sohny Thomas <sohnythomas@zoho.com> - 2015-07-01 10:40 +0200

#1174776 — [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

FIX 2 unnecessary braces found by checkpatch.pl

Signed-off-by: Sohny Thomas <sohnythomas@zoho.com>
---
 drivers/staging/unisys/virtpci/virtpci.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/unisys/virtpci/virtpci.c b/drivers/staging/unisys/virtpci/virtpci.c
index d5ad017..f3674de 100644
--- a/drivers/staging/unisys/virtpci/virtpci.c
+++ b/drivers/staging/unisys/virtpci/virtpci.c
@@ -190,9 +190,10 @@ static int write_vbus_chp_info(struct spar_vbus_channel_protocol *chan,
 		return -1;
 
 	off = sizeof(struct channel_header) + chan->hdr_info.chp_info_offset;
-	if (chan->hdr_info.chp_info_offset == 0) {
+
+	if (chan->hdr_info.chp_info_offset == 0)
 		return -1;
-	}
+
 	memcpy(((u8 *)(chan)) + off, info, sizeof(*info));
 	return 0;
 }
@@ -484,10 +485,10 @@ static int delete_vhba(struct del_virt_guestpart *delparams)
 
 	i = virtpci_device_del(NULL /*no parent bus */, VIRTHBA_TYPE,
 			       &scsi.wwnn, NULL);
-	if (i) {
+	if (i)
 		return 1;
-	}
-	return 0;
+	else
+		return 0;
 }
 
 /* deletes a vnic
-- 

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#1175039 — Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

Thanks for review, my answers inline

On 01-07-2015 12:27, Sudip Mukherjee wrote:
> On Wed, Jul 01, 2015 at 03:05:45AM +0530, Sohny Thomas wrote:
>>
>> FIX 2 unnecessary braces found by checkpatch.pl
>>
>> Signed-off-by: Sohny Thomas <sohnythomas@zoho.com>
>> ---
>>   drivers/staging/unisys/virtpci/virtpci.c | 11 ++++++-----
>>   1 file changed, 6 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/staging/unisys/virtpci/virtpci.c b/drivers/staging/unisys/virtpci/virtpci.c
>> index d5ad017..f3674de 100644
>> --- a/drivers/staging/unisys/virtpci/virtpci.c
>> +++ b/drivers/staging/unisys/virtpci/virtpci.c
>> @@ -190,9 +190,10 @@ static int write_vbus_chp_info(struct spar_vbus_channel_protocol *chan,
>>   		return -1;
>>
>>   	off = sizeof(struct channel_header) + chan->hdr_info.chp_info_offset;
>> -	if (chan->hdr_info.chp_info_offset == 0) {
>> +
>> +	if (chan->hdr_info.chp_info_offset == 0)
>>   		return -1;
>> -	}
>> +
> why you are inserting new line here?
I did it so that its readable, will remove it if not required
>
>>   	memcpy(((u8 *)(chan)) + off, info, sizeof(*info));
>>   	return 0;
>>   }
>> @@ -484,10 +485,10 @@ static int delete_vhba(struct del_virt_guestpart *delparams)
>>
>>   	i = virtpci_device_del(NULL /*no parent bus */, VIRTHBA_TYPE,
>>   			       &scsi.wwnn, NULL);
>> -	if (i) {
>> +	if (i)
>>   		return 1;
>> -	}
>> -	return 0;
>> +	else
>> +		return 0;
> No, now this will introduce a new checkpatch warning that "else is not
> required after return". why did you introduce this "else"?
I did this so that the code is more readable and understandable, I 
checked and checkpatch didn't call this out , so its clean.

Otherwise the above code looks like this

if(i)
    return 1;
return 0;

>
> regards
> sudip
>

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#1175066 — Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

On Wed, 1 Jul 2015, Sohny Thomas wrote:

> Thanks for review, my answers inline
>
> On 01-07-2015 12:27, Sudip Mukherjee wrote:
> > On Wed, Jul 01, 2015 at 03:05:45AM +0530, Sohny Thomas wrote:
> > >
> > > FIX 2 unnecessary braces found by checkpatch.pl
> > >
> > > Signed-off-by: Sohny Thomas <sohnythomas@zoho.com>
> > > ---
> > >   drivers/staging/unisys/virtpci/virtpci.c | 11 ++++++-----
> > >   1 file changed, 6 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/staging/unisys/virtpci/virtpci.c
> > > b/drivers/staging/unisys/virtpci/virtpci.c
> > > index d5ad017..f3674de 100644
> > > --- a/drivers/staging/unisys/virtpci/virtpci.c
> > > +++ b/drivers/staging/unisys/virtpci/virtpci.c
> > > @@ -190,9 +190,10 @@ static int write_vbus_chp_info(struct
> > > spar_vbus_channel_protocol *chan,
> > >   		return -1;
> > >
> > >   	off = sizeof(struct channel_header) + chan->hdr_info.chp_info_offset;
> > > -	if (chan->hdr_info.chp_info_offset == 0) {
> > > +
> > > +	if (chan->hdr_info.chp_info_offset == 0)
> > >   		return -1;
> > > -	}
> > > +
> > why you are inserting new line here?
> I did it so that its readable, will remove it if not required
> >
> > >   	memcpy(((u8 *)(chan)) + off, info, sizeof(*info));
> > >   	return 0;
> > >   }
> > > @@ -484,10 +485,10 @@ static int delete_vhba(struct del_virt_guestpart
> > > *delparams)
> > >
> > >   	i = virtpci_device_del(NULL /*no parent bus */, VIRTHBA_TYPE,
> > >   			       &scsi.wwnn, NULL);
> > > -	if (i) {
> > > +	if (i)
> > >   		return 1;
> > > -	}
> > > -	return 0;
> > > +	else
> > > +		return 0;
> > No, now this will introduce a new checkpatch warning that "else is not
> > required after return". why did you introduce this "else"?
> I did this so that the code is more readable and understandable, I checked and
> checkpatch didn't call this out , so its clean.
>
> Otherwise the above code looks like this
>
> if(i)
>    return 1;
> return 0;

That looks fine.

I haven't looked at the code in detail.  Is it normal that the return
values seem to be 0 1 and -1?  Which values represent success and which
represent an error?  It is nicer to have the errors under if and success
as a direct return at the end.

julia
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#1175067 — Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

On Wed, Jul 01, 2015 at 01:06:48PM +0530, Sohny Thomas wrote:
<snip>
> >No, now this will introduce a new checkpatch warning that "else is not
> >required after return". why did you introduce this "else"?
> I did this so that the code is more readable and understandable, I
> checked and checkpatch didn't call this out , so its clean.
> 
> Otherwise the above code looks like this
> 
> if(i)
>    return 1;
> return 0;
you should update your tree. virtpci folder has been deleted from
unisys driver.
As you are using an old tree, maybe that explains why checkpatch is not
giving the error.

regards
sudip
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#1175092 — Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

On Wednesday 01 July 2015 01:32 PM, Sudip Mukherjee wrote:
> On Wed, Jul 01, 2015 at 01:06:48PM +0530, Sohny Thomas wrote:
> <snip>
>>> No, now this will introduce a new checkpatch warning that "else is not
>>> required after return". why did you introduce this "else"?
>> I did this so that the code is more readable and understandable, I
>> checked and checkpatch didn't call this out , so its clean.
>>
>> Otherwise the above code looks like this
>>
>> if(i)
>>    return 1;
>> return 0;
> you should update your tree. virtpci folder has been deleted from
> unisys driver.
> As you are using an old tree, maybe that explains why checkpatch is not
> giving the error.

This is from linux-stable branch and I updated  it just yesterday, so looks like the folders still there
> 
> regards
> sudip
> 

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