On Sun, 2020-04-26 at 15:18 +0200, Christian König wrote:
> Am 26.04.20 um 15:12 schrieb Bernard Zhao:
> > Maybe no need to check ws before kmalloc, kmalloc will check
> > itself, kmalloc`s logic is if ptr is NULL, kmalloc will just
> > return
> >
> > Signed-off-by: Bernard Zhao <[email protected]>
>
> Reviewed-by: Christian König <[email protected]>
>
> I'm wondering why the automated scripts haven't found that one before.
because this pattern is
if (foo)
kfree(bar);
and the pattern looked for is:
if (foo)
kfree(foo);
> > diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
[]
> > @@ -1211,8 +1211,7 @@ static int atom_execute_table_locked(struct
> > atom_context *ctx, int index, uint32
> > SDEBUG("<<\n");
> >
> > free:
> > - if (ws)
> > - kfree(ectx.ws);
> > + kfree(ectx.ws);
> > return ret;
> > }
I'm wondering if this removal is correct as the function
is named _locked and it may be recursive or called under
some external lock.
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