From 0548745fa335a4665b039b9fd8e121339932c24b Mon Sep 17 00:00:00 2001 From: Tang Bin Date: Thu, 7 May 2020 19:12:24 +0800 Subject: [PATCH] dca: Use PTR_ERR_OR_ZERO() to simplify code The function PTR_ERR_OR_ZERO() contains the check of IS_ERR() and the return of PTR_ERR() or zero. Signed-off-by: Zhang Shengju Signed-off-by: Tang Bin Link: https://lore.kernel.org/r/20200507111224.4176-1-tangbin@cmss.chinamobile.com Signed-off-by: Greg Kroah-Hartman --- 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)