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cifs: add local server pointer to cifs_setup_session

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cifs_setup_session references pSesInfo->server several times. That
pointer shouldn't change during the life of the function so grab it
once and store it in a local var. This makes the code look a little
cleaner too.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2008-08-18 15:41:05 -04:00 committed by Steve French
parent aab3a8c7a3
commit cb7691b648
1 changed files with 17 additions and 16 deletions
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33
fs/cifs/connect.c
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@ -3598,19 +3598,21 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
char ntlm_session_key[CIFS_SESS_KEY_SIZE];
bool ntlmv2_flag = false;
int first_time = 0;
struct TCP_Server_Info *server = pSesInfo->server;
/* what if server changes its buffer size after dropping the session? */
if (pSesInfo->server->maxBuf == 0) /* no need to send on reconnect */ {
if (server->maxBuf == 0) /* no need to send on reconnect */ {
rc = CIFSSMBNegotiate(xid, pSesInfo);
if (rc == -EAGAIN) /* retry only once on 1st time connection */ {
if (rc == -EAGAIN) {
/* retry only once on 1st time connection */
rc = CIFSSMBNegotiate(xid, pSesInfo);
if (rc == -EAGAIN)
rc = -EHOSTDOWN;
}
if (rc == 0) {
spin_lock(&GlobalMid_Lock);
if (pSesInfo->server->tcpStatus != CifsExiting)
pSesInfo->server->tcpStatus = CifsGood;
if (server->tcpStatus != CifsExiting)
server->tcpStatus = CifsGood;
else
rc = -EHOSTDOWN;
spin_unlock(&GlobalMid_Lock);
@ -3623,23 +3625,22 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
goto ss_err_exit;
pSesInfo->flags = 0;
pSesInfo->capabilities = pSesInfo->server->capabilities;
pSesInfo->capabilities = server->capabilities;
if (linuxExtEnabled == 0)
pSesInfo->capabilities &= (~CAP_UNIX);
/* pSesInfo->sequence_number = 0;*/
cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
pSesInfo->server->secMode,
pSesInfo->server->capabilities,
pSesInfo->server->timeAdj));
server->secMode, server->capabilities, server->timeAdj));
if (experimEnabled < 2)
rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info);
else if (extended_security
&& (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
&& (pSesInfo->server->secType == NTLMSSP)) {
&& (server->secType == NTLMSSP)) {
rc = -EOPNOTSUPP;
} else if (extended_security
&& (pSesInfo->capabilities & CAP_EXTENDED_SECURITY)
&& (pSesInfo->server->secType == RawNTLMSSP)) {
&& (server->secType == RawNTLMSSP)) {
cFYI(1, ("NTLMSSP sesssetup"));
rc = CIFSNTLMSSPNegotiateSessSetup(xid, pSesInfo, &ntlmv2_flag,
nls_info);
@ -3668,12 +3669,12 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
} else {
SMBNTencrypt(pSesInfo->password,
pSesInfo->server->cryptKey,
server->cryptKey,
ntlm_session_key);
if (first_time)
cifs_calculate_mac_key(
&pSesInfo->server->mac_signing_key,
&server->mac_signing_key,
ntlm_session_key,
pSesInfo->password);
}
@ -3686,13 +3687,13 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
nls_info);
}
} else { /* old style NTLM 0.12 session setup */
SMBNTencrypt(pSesInfo->password, pSesInfo->server->cryptKey,
SMBNTencrypt(pSesInfo->password, server->cryptKey,
ntlm_session_key);
if (first_time)
cifs_calculate_mac_key(
&pSesInfo->server->mac_signing_key,
ntlm_session_key, pSesInfo->password);
cifs_calculate_mac_key(&server->mac_signing_key,
ntlm_session_key,
pSesInfo->password);
rc = CIFSSessSetup(xid, pSesInfo, ntlm_session_key, nls_info);
}