[PATCH 1/1] crypto: caam - use kmalloc_array() instead of kmalloc()
From: Gongwei Li
Date: Thu Nov 20 2025 - 21:45:54 EST
From: Gongwei Li <ligongwei@xxxxxxxxxx>
Replace kmalloc() with kmalloc_array() to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.
Signed-off-by: Gongwei Li <ligongwei@xxxxxxxxxx>
---
drivers/crypto/caam/ctrl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 320be5d77737..81583251b1f6 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -208,7 +208,7 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask)
u32 *desc, status;
int sh_idx, ret = 0;
- desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL);
+ desc = kmalloc_array(3, CAAM_CMD_SZ, GFP_KERNEL);
if (!desc)
return -ENOMEM;
@@ -285,7 +285,7 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
int ret = 0, sh_idx;
ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl;
- desc = kmalloc(CAAM_CMD_SZ * 7, GFP_KERNEL);
+ desc = kmalloc_array(7, CAAM_CMD_SZ, GFP_KERNEL);
if (!desc)
return -ENOMEM;
--
2.25.1