Re: [PATCH 1/2] lustre/mdc_lib: fix possible null pointer dereference

From: Greg KH
Date: Thu Mar 06 2014 - 14:50:04 EST


On Wed, Mar 05, 2014 at 09:53:06PM +0300, Dan Carpenter wrote:
> On Wed, Mar 05, 2014 at 02:04:35PM +0100, Maxin B. John wrote:
> > From: "Maxin B. John" <maxin.john@xxxxxxxx>
> >
> > cppcheck reported possible null pointer dereference in mdc_lib.c
> >
> > [lustre/lustre/mdc/mdc_lib.c:233]: (error) Possible null pointer dereference
> > : op_data - otherwise it is redundant to check if op_data is null at line 226
> >
>
> There is only one caller and "op_data" is not NULL.

I agree, John, please fix your tools. Or check the result and fix the
code so that there isn't false-positives (by not checking for NULL at
all here...)

thanks,

greg k-h
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