[PATCH] staging: rtl8712: remove unused variables
dan.carpenter at oracle.com
Mon Oct 27 12:12:57 UTC 2014
On Mon, Oct 27, 2014 at 05:22:21PM +0530, Sudip Mukherjee wrote:
> On Mon, Oct 27, 2014 at 02:13:12PM +0300, Dan Carpenter wrote:
> > On Sun, Oct 26, 2014 at 06:03:33PM +0530, Sudip Mukherjee wrote:
> > > @@ -262,7 +257,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
> > > if (tmp8_a != (tmp8|BIT(2)))
> > > goto exit_fail;
> > >
> > > - tmp32 = r8712_read32(padapter, TCR);
> > > + r8712_read32(padapter, TCR);
> > I wonder if we actually need to call r8712_read32() here? It's not
> > clear. The changelog should say one way or the other. Maybe something
> > like "I left a call to r8712_read32(padapter, TCR) because I didn't know
> > if it had side effects". When you note down questions you have in the
> > changelog that helps reviewers.
> sure. i will resend it with modified commit log.
> r8712_read32() is ultimately calling usb_read32() which is again calling r8712_usbctrl_vendorreq().
> this r8712_usbctrl_vendorreq() is communicating through the usb bus and is sending and receiving the control msg.
> that is why i didnot remove it.
Yeah. I'm 95% sure it's not needed, but I suppose it's better to err
on the side of caution.
More information about the devel