[PATCH 3/7] smb: minor fix to use SMB2_NTLMV2_SESSKEY_SIZE for auth_key size

[Bharath SM <bharathsm.hsk@gmail.com>]

Replaced hardcoded value 16 with SMB2_NTLMV2_SESSKEY_SIZE
in the auth_key definition and memcpy call.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
---
 fs/smb/client/cifs_ioctl.h | 2 +-
 fs/smb/client/ioctl.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/smb/client/cifs_ioctl.h b/fs/smb/client/cifs_ioctl.h
index 26327442e383..b51ce64fcccf 100644
--- a/fs/smb/client/cifs_ioctl.h
+++ b/fs/smb/client/cifs_ioctl.h
@@ -61,7 +61,7 @@ struct smb_query_info {
 struct smb3_key_debug_info {
 	__u64	Suid;
 	__u16	cipher_type;
-	__u8	auth_key[16]; /* SMB2_NTLMV2_SESSKEY_SIZE */
+	__u8	auth_key[SMB2_NTLMV2_SESSKEY_SIZE];
 	__u8	smb3encryptionkey[SMB3_SIGN_KEY_SIZE];
 	__u8	smb3decryptionkey[SMB3_SIGN_KEY_SIZE];
 } __packed;
diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c
index 56439da4f119..0a9935ce05a5 100644
--- a/fs/smb/client/ioctl.c
+++ b/fs/smb/client/ioctl.c
@@ -506,7 +506,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
 				le16_to_cpu(tcon->ses->server->cipher_type);
 			pkey_inf.Suid = tcon->ses->Suid;
 			memcpy(pkey_inf.auth_key, tcon->ses->auth_key.response,
-					16 /* SMB2_NTLMV2_SESSKEY_SIZE */);
+				  SMB2_NTLMV2_SESSKEY_SIZE);
 			memcpy(pkey_inf.smb3decryptionkey,
 			      tcon->ses->smb3decryptionkey, SMB3_SIGN_KEY_SIZE);
 			memcpy(pkey_inf.smb3encryptionkey,
-- 
2.43.0