[PATCH] PCI: acpiphp_ibm: Using kmemdup() to simplify code

[Liao Yuanhong]

Use kmemdup() to replace the original code's allocate-and-copy operations.
It enhances code readability and simplifies nested conditionals.

Signed-off-by: Liao Yuanhong <liaoyuanhong@xxxxxxxx>
---
 drivers/pci/hotplug/acpiphp_ibm.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c
index 18e01cd55a8e..6a16c8e8238f 100644
--- a/drivers/pci/hotplug/acpiphp_ibm.c
+++ b/drivers/pci/hotplug/acpiphp_ibm.c
@@ -140,11 +140,8 @@ static union apci_descriptor *ibm_slot_from_id(int id)
 		ret = des;
 
 ibm_slot_done:
-	if (ret) {
-		ret = kmalloc(sizeof(union apci_descriptor), GFP_KERNEL);
-		if (ret)
-			memcpy(ret, des, sizeof(union apci_descriptor));
-	}
+	if (ret)
+		ret = kmemdup(des, sizeof(union apci_descriptor), GFP_KERNEL);
 	kfree(table);
 	return ret;
 }
-- 
2.34.1