[PATCH -next 1/5] nfc: core: Use kmemdup_array() instead of kmemdup() for multiple allocation
From: Jinjie Ruan <hidden>
Date: 2024-08-28 07:02:14
Also in:
bridge, lkml, netfilter-devel
Subsystem:
networking [general], nfc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Heidelberg, Linus Torvalds
Let the kmemdup_array() take care about multiplication and possible overflows. Signed-off-by: Jinjie Ruan <redacted> --- net/nfc/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
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;
--
2.34.1