[PATCH 01/11] staging: r8188eu: Remove pointless thread_exit macro

Greg KH gregkh at linuxfoundation.org
Fri Dec 20 19:18:16 UTC 2013


On Fri, Dec 20, 2013 at 11:22:35AM -0600, Larry Finger wrote:
> On 12/20/2013 10:58 AM, Greg KH wrote:
> > With this series applied, I get a ton of "unused variable" warnings, can
> > you please fix them up now too?
> 
> Strange, but I don't get any. My compiler is gcc (SUSE Linux) 4.8.1 20130909 
> [gcc-4_8-branch revision 202388] from openSUSE 13.1. What version are you using?
> 

I'm using an older version:
	$ gcc --version
	gcc (Gentoo 4.7.3-r1 p1.3, pie-0.5.5) 4.7.3

Odd.  I'll move up to 4.8 and try that...

Nope, same problem, here's one example line:
	drivers/staging/rtl8188eu/core/rtw_ap.c: In function ‘rtw_ap_inform_ch_switch’:
	drivers/staging/rtl8188eu/core/rtw_ap.c:1773:16: warning: unused variable ‘irqL’ [-Wunused-variable]
	  unsigned long irqL;

This is x86-64, could that be an issue?

thanks,

greg k-h


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