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netdevsim: fix ptr_ret.cocci warnings 

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: 6556ff32f1 ("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>
This commit is contained in:
kbuild test robot 2020-02-04 22:22:02 +08:00 committed by David S. Miller
parent 9784e619f0
commit 34611e6996
1 changed files with 1 additions and 3 deletions
drivers/net/netdevsim
dev.c

4
drivers/net/netdevsim/dev.c
View File

@ -934,9 +934,7 @@ int nsim_dev_port_del(struct nsim_bus_dev *nsim_bus_dev,
int nsim_dev_init(void) int nsim_dev_init(void)
{ {
nsim_dev_ddir = debugfs_create_dir(DRV_NAME, NULL); nsim_dev_ddir = debugfs_create_dir(DRV_NAME, NULL);
if (IS_ERR(nsim_dev_ddir)) return PTR_ERR_OR_ZERO(nsim_dev_ddir);
return PTR_ERR(nsim_dev_ddir);
return 0;
} }
void nsim_dev_exit(void) void nsim_dev_exit(void)