On Tue, 22 May 2018 17:17:43 -0700 Bo Chen <che...@pdx.edu> wrote: > This check on pci_get_drvdata() prevents potential invalid pointer > dereferences, > and is a common practice in *_remove() functions from other drivers, such as > 'intel/e100.c', 'amd/pcnet32.c', 'realtek/8139too.c', and 'broadcom/tg3.c'. > > Signed-off-by: Bo Chen <che...@pdx.edu>
Why check for something that can never be true. You are creating dead code paths that can never be exercised.