diff mbox series

[-next,1/5] nfc: core: Use kmemdup_array() instead of kmemdup() for multiple allocation

Message ID 20240828071004.1245213-2-ruanjinjie@huawei.com
State Changes Requested
Headers show
Series net: Use kmemdup_array() instead of kmemdup() for multiple allocation | expand

Commit Message

Jinjie Ruan Aug. 28, 2024, 7:10 a.m. UTC 
Let the kmemdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 net/nfc/core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/net/nfc/core.c b/net/nfc/core.c
index e58dc6405054..cbc2f718aece 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -790,9 +790,8 @@  int nfc_targets_found(struct nfc_dev *dev,
 	dev->targets = NULL;
 
 	if (targets) {
-		dev->targets = kmemdup(targets,
-				       n_targets * sizeof(struct nfc_target),
-				       GFP_ATOMIC);
+		dev->targets = kmemdup_array(targets, n_targets,
+					     sizeof(struct nfc_target), GFP_ATOMIC);
 
 		if (!dev->targets) {
 			dev->n_targets = 0;