Re: [PATCH] staging: dgap: removes redundant null check and change paramter for dgap_maxcps_room()

From: DaeSeok Youn
Date: Wed Jul 09 2014 - 19:25:58 EST


2014-07-10 4:02 GMT+09:00 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>:
> On Mon, Jul 07, 2014 at 10:27:54AM +0900, Daeseok Youn wrote:
>> Null checks for tty, un and ch are already done by caller,
>> so replace parameter "tty" with "ch" and "un".
>> And also use a pointer for returning new bytes_available instead of
>> return variable.
> Why make that change? It's nicer to return a real value where ever
> possible. That's more like other "room" functions in the tty layer.
I was looking at use cases of dgap_maxcps_room() in dgap.c,
byte_available variable in caller is reused for that. So I tried to
change like this patch.
> Care to fix this up to just do the first change you made to the function
> instead?
OK, I will just change parameters for dgap_maxcps_room() and send again.

Daeseok Youn.
> thanks,
> greg k-h
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