[PATCH] staging: rts5208: remove always true comparison

Dan Carpenter dan.carpenter at oracle.com
Mon May 25 16:22:40 UTC 2015


On Fri, May 15, 2015 at 03:46:49PM +0530, Sudip Mukherjee wrote:
> On Thu, May 14, 2015 at 06:18:59PM +0300, Dan Carpenter wrote:
> > On Thu, May 14, 2015 at 07:55:59PM +0530, Sudip Mukherjee wrote:
> > > the if comparison is always true as anything bitwise and-ing with 0x1E
> > > can never be equal to 0x03.
> > > 
> > > Fixes bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=69881
> > > 
> > 
> > It doesn't fix anything though, it just silences the warning.  Warnings
> > are nice because they let you know that the code is buggy.  It's better
> > to leave them there instead of making the bugs more complicated to find.
> 
> but I am not seeing any warnings. I tried with make W=1, tried with
> sparse, but still no warning. am i missing something?

David Binderman is using a static checker of some kind.  I'm not sure
which.  It might be cppcheck or it might be something private.

regards,
dan carpenter



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