[PATCH] dca: Use PTR_ERR_OR_ZERO() in dca_sysfs_add_req()

[Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Fri, 6 Sep 2019 18:05:21 +0200

Simplify this function implementation by using a known function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/dca/dca-sysfs.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dca/dca-sysfs.c b/drivers/dca/dca-sysfs.c
index eb25627b059d..21ebd0af268b 100644
--- a/drivers/dca/dca-sysfs.c
+++ b/drivers/dca/dca-sysfs.c
@@ -24,9 +24,7 @@ int dca_sysfs_add_req(struct dca_provider *dca, struct device 
*dev, int slot)

        cd = device_create(dca_class, dca->cd, MKDEV(0, slot + 1), NULL,
                           "requester%d", req_count++);
-       if (IS_ERR(cd))
-               return PTR_ERR(cd);
-       return 0;
+       return PTR_ERR_OR_ZERO(cd);
 }

 void dca_sysfs_remove_req(struct dca_provider *dca, int slot)
--
2.23.0