It is more efficient to use kmemdup_nul() if the size is known exactly.
The doc in kernel:
"Note: Use kmemdup_nul() instead if the size is known exactly."
Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
---
drivers/pci/endpoint/pci-epf-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 244e00f48c5c..f035d2ebcae5 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -252,7 +252,7 @@ struct pci_epf *pci_epf_create(const char *name)
return ERR_PTR(-ENOMEM);
len = strchrnul(name, '.') - name;
- epf->name = kstrndup(name, len, GFP_KERNEL);
+ epf->name = kmemdup_nul(name, len, GFP_KERNEL);
if (!epf->name) {
kfree(epf);
return ERR_PTR(-ENOMEM);
--
2.20.1
