> The functions “debugfs_remove” and “kfree” test whether their argument > is NULL and then return immediately. > Thus the tests around the shown calls are not needed. > > This issue was detected by using the Coccinelle software.
I suggest to take another look at a similar patch. drm/amdgpu: remove the redundant null check https://lkml.org/lkml/2019/9/3/59 https://lore.kernel.org/patchwork/patch/1123118/ https://lore.kernel.org/r/[email protected]/ Regards, Markus
