* [PATCH] dca: Use PTR_ERR_OR_ZERO() to simplify code
@ 2020-05-07 11:12 Tang Bin
0 siblings, 0 replies; only message in thread
From: Tang Bin @ 2020-05-07 11:12 UTC (permalink / raw)
To: gregkh, allison, rfontana, kstewart, mpe, tglx
Cc: linux-kernel, Tang Bin, Zhang Shengju
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 <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
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 eb25627b0..21ebd0af2 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)
--
2.20.1.windows.1
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