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| author | Thorsten Blum <thorsten.blum@linux.dev> | 2026-04-05 21:49:41 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2026-04-12 16:47:10 +0800 |
| commit | 8879a3c110cb8ca5a69c937643f226697aa551d9 (patch) | |
| tree | 11f4dd5b6876eb96030c960fa11788b5df0d6d3e /crypto | |
| parent | c697c5fcfb5e73c723ca7d9f003e37b2b9534520 (diff) | |
| download | lwn-8879a3c110cb8ca5a69c937643f226697aa551d9.tar.gz lwn-8879a3c110cb8ca5a69c937643f226697aa551d9.zip | |
crypto: af_alg - use sock_kmemdup in alg_setkey_by_key_serial
Replace sock_kmalloc() followed by memcpy() with sock_kmemdup() to
simplify alg_setkey_by_key_serial().
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/af_alg.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c index 0bb609fbec7d..b491e5477c70 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -324,15 +324,13 @@ static int alg_setkey_by_key_serial(struct alg_sock *ask, sockptr_t optval, return PTR_ERR(ret); } - key_data = sock_kmalloc(&ask->sk, key_datalen, GFP_KERNEL); + key_data = sock_kmemdup(&ask->sk, ret, key_datalen, GFP_KERNEL); if (!key_data) { up_read(&key->sem); key_put(key); return -ENOMEM; } - memcpy(key_data, ret, key_datalen); - up_read(&key->sem); key_put(key); |