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SubjectRe: [PATCH] staging: android: Remove set but unused variable in ashmem.c
Hello Dan,

On Monday, July 26, 2021 3:44:54 PM CEST Dan Carpenter wrote:
> On Sat, Jul 24, 2021 at 09:49:35AM +0200, Fabio M. De Francesco wrote:
> >
> > [...]
> >
> Another trick which would have helped is to try find out which patch
> forgot to remove the "inode" variable, because that developer would have
> seen the warning as well.
> > > I'm guessing you are building with CONFIG_LOCKDEP=n.
> >
> > Actually my .config sets CONFIG_LOCKDEP_SUPPORT=y. Did you refer to this?
> > There is no CONFIG_LOCKDEP in the file.
> Use make nconfig and then use f8 to search for CONFIG_LOCKDEP.
> regards,
> dan carpenter

Thanks a lot. As always, you've been very helpful. I appreciate your
willingness to help and, more generally, your attitude towards people with
less experience than yours.

By using F8, I found that CONFIG_LOCKDEP is selected by CONFIG_LOCK_STAT (in
logical AND with other options) but, in my .config, the latter was set to 'n'.
After setting this other option to 'y', CONFIG_LOCKDEP magically :) appeared
in .config and it was automatically set to 'y'.

I see that the same kind of search can also be done by using the slash if one
uses "make menuconfig".



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