On Sun, Jun 03, 2018 at 04:33:07PM +0530, Varsha Rao wrote: > To fix clang warning of extraneous parentheses and check patch issue, > remove extra parentheses and replace x == NULL with !x. Following > coccinelle script is used to fix it. > > @disable is_null,paren@ > expression e; > statement s; > @@ > if ( > - (e==NULL) > +!e > ) > s > > Signed-off-by: Varsha Rao <rvarsha016@xxxxxxxxx> Reviewed-by: Nicholas Mc Guire <der.herr@xxxxxxx> > --- > drivers/message/fusion/mptbase.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c > index 51eb1b027963..3fe53b65c5fa 100644 > --- a/drivers/message/fusion/mptbase.c > +++ b/drivers/message/fusion/mptbase.c > @@ -335,11 +335,11 @@ static int mpt_remove_dead_ioc_func(void *arg) > MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; > struct pci_dev *pdev; > > - if ((ioc == NULL)) > + if (!ioc) > return -1; > > pdev = ioc->pcidev; > - if ((pdev == NULL)) > + if (!pdev) This is of course equivalent - but note that in mptbase.c the "style" == NULL is used in other places as well - so maybe it would be good to change those as well or leave the == NULL in place for readability reasons. > return -1; > > pci_stop_and_remove_bus_device_locked(pdev); > -- > 2.17.0 >