[PATCH] nvmet: Use PTR_ERR_OR_ZERO() in nvmet_init_discovery()

[Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Fri, 6 Sep 2019 19:50:19 +0200

Simplify this function implementation by using a known function.

Generated by: scripts/coccinelle/api/ptr_ret.cocci
Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/nvme/target/discovery.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 8efca26b4776..3764a8900850 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -381,9 +381,7 @@ int __init nvmet_init_discovery(void)
 {
        nvmet_disc_subsys =
                nvmet_subsys_alloc(NVME_DISC_SUBSYS_NAME, NVME_NQN_DISC);
-       if (IS_ERR(nvmet_disc_subsys))
-               return PTR_ERR(nvmet_disc_subsys);
-       return 0;
+       return PTR_ERR_OR_ZERO(nvmet_disc_subsys);
 }

 void nvmet_exit_discovery(void)
--
2.23.0