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cifsd: simplify error handling in ksmbd_gen_preauth_integrity_hash()

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Simplify error handling in ksmbd_gen_preauth_integrity_hash().

Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2021-05-26 15:56:18 +09:00
parent 12fc704441
commit d3cd8c4915
1 changed files with 7 additions and 8 deletions
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15
fs/cifsd/auth.c
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@ -1063,14 +1063,13 @@ int ksmbd_gen_preauth_integrity_hash(struct ksmbd_conn *conn, char *buf,
int msg_size = be32_to_cpu(rcv_hdr->smb2_buf_length);
struct ksmbd_crypto_ctx *ctx = NULL;
if (conn->preauth_info->Preauth_HashId ==
SMB2_PREAUTH_INTEGRITY_SHA512) {
ctx = ksmbd_crypto_ctx_find_sha512();
if (!ctx) {
ksmbd_debug(AUTH, "could not alloc sha512 rc %d\n", rc);
goto out;
}
} else {
if (conn->preauth_info->Preauth_HashId !=
SMB2_PREAUTH_INTEGRITY_SHA512)
return -EINVAL;
ctx = ksmbd_crypto_ctx_find_sha512();
if (!ctx) {
ksmbd_debug(AUTH, "could not alloc sha512 rc %d\n", rc);
goto out;
}