From: kbuild test robot <lkp@intel.com>
Date: Tue, 4 Feb 2020 22:22:02 +0800
Subject: netdevsim: fix ptr_ret.cocci warnings
Patch-mainline: v5.6-rc1
Git-commit: 34611e6996f331399ee26382fdbc2bd009f9cdd6
References: bsc#1154353

drivers/net/netdevsim/dev.c:937:1-3: WARNING: PTR_ERR_OR_ZERO can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 6556ff32f12d ("netdevsim: use IS_ERR instead of IS_ERR_OR_NULL for debugfs")
CC: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/netdevsim/dev.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -932,9 +932,7 @@ int nsim_dev_port_del(struct nsim_bus_de
 int nsim_dev_init(void)
 {
 	nsim_dev_ddir = debugfs_create_dir(DRV_NAME, NULL);
-	if (IS_ERR(nsim_dev_ddir))
-		return PTR_ERR(nsim_dev_ddir);
-	return 0;
+	return PTR_ERR_OR_ZERO(nsim_dev_ddir);
 }
 
 void nsim_dev_exit(void)