[PATCH] crypto: iaa - Use kmemdup() instead of kzalloc() and memcpy()

Thorsten Blum
2024-05-02T15:35:01Z

Fixes the following two Coccinelle/coccicheck warnings reported by
memdup.cocci:

iaa_crypto_main.c:350:19-26: WARNING opportunity for kmemdup
iaa_crypto_main.c:358:18-25: WARNING opportunity for kmemdup

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
---
drivers/crypto/intel/iaa/iaa_crypto_main.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c
index b2191ade9011..7635fbebe52f 100644
--- a/drivers/crypto/intel/iaa/iaa_crypto_main.c
+++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c
@@ -347,18 +347,16 @@ int add_iaa_compression_mode(const char *name,
goto free;

if (ll_table) {
- mode->ll_table = kzalloc(ll_table_size, GFP_KERNEL);
+ mode->ll_table = kmemdup(ll_table, ll_table_size, GFP_KERNEL);
if (!mode->ll_table)
goto free;
- memcpy(mode->ll_table, ll_table, ll_table_size);
mode->ll_table_size = ll_table_size;
}

if (d_table) {
- mode->d_table = kzalloc(d_table_size, GFP_KERNEL);
+ mode->d_table = kmemdup(d_table, d_table_size, GFP_KERNEL);
if (!mode->d_table)
goto free;
- memcpy(mode->d_table, d_table, d_table_size);
mode->d_table_size = d_table_size;
}

--
2.44.0