#include <linux/mempool.h>
#include <linux/delay.h>
#include <linux/completion.h>
+#include <linux/pagevec.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
#include "cifspdu.h"
#include "ntlmssp.h"
#include "nterr.h"
#include "rfc1002pdu.h"
+#include "cn_cifs.h"
#define CIFS_PORT 445
#define RFC1001_PORT 139
server->server_RFC1001_name);
}
if(rc) {
+ cFYI(1,("reconnect error %d",rc));
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
}
while (server->tcpStatus != CifsExiting) {
- if(try_to_freeze())
+ if (try_to_freeze())
continue;
if (bigbuf == NULL) {
bigbuf = cifs_buf_get();
dump_smb(smb_buffer, length);
if (checkSMB (smb_buffer, smb_buffer->Mid, total_read+4)) {
- cERROR(1, ("Bad SMB Received "));
+ cifs_dump_mem("Bad SMB: ", smb_buffer, 48);
continue;
}
multi_t2_fnd:
task_to_wake = mid_entry->tsk;
mid_entry->midState = MID_RESPONSE_RECEIVED;
+#ifdef CONFIG_CIFS_STATS2
+ mid_entry->when_received = jiffies;
+#endif
break;
}
}
/* go from value to value + temp_len condensing
double commas to singles. Note that this ends up
allocating a few bytes too many, which is ok */
- vol->password = kcalloc(1, temp_len, GFP_KERNEL);
+ vol->password = kzalloc(temp_len, GFP_KERNEL);
if(vol->password == NULL) {
printk("CIFS: no memory for pass\n");
return 1;
}
vol->password[j] = 0;
} else {
- vol->password = kcalloc(1, temp_len+1, GFP_KERNEL);
+ vol->password = kzalloc(temp_len+1, GFP_KERNEL);
if(vol->password == NULL) {
printk("CIFS: no memory for pass\n");
return 1;
the helper that resolves tcp names, mount to it, try to
tcon to it unmount it if fail */
- if(referrals)
- kfree(referrals);
+ kfree(referrals);
return rc;
}
/* Eventually check for other socket options to change from
the default. sock_setsockopt not used because it expects
user space buffer */
+ cFYI(1,("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",(*csocket)->sk->sk_sndbuf,
+ (*csocket)->sk->sk_rcvbuf, (*csocket)->sk->sk_rcvtimeo));
(*csocket)->sk->sk_rcvtimeo = 7 * HZ;
+ /* make the bufsizes depend on wsize/rsize and max requests */
+ if((*csocket)->sk->sk_sndbuf < (200 * 1024))
+ (*csocket)->sk->sk_sndbuf = 200 * 1024;
+ if((*csocket)->sk->sk_rcvbuf < (140 * 1024))
+ (*csocket)->sk->sk_rcvbuf = 140 * 1024;
/* send RFC1001 sessinit */
-
if(psin_server->sin_port == htons(RFC1001_PORT)) {
/* some servers require RFC1001 sessinit before sending
negprot - BB check reconnection in case where second
sessinit is sent but no second negprot */
struct rfc1002_session_packet * ses_init_buf;
struct smb_hdr * smb_buf;
- ses_init_buf = kcalloc(1, sizeof(struct rfc1002_session_packet), GFP_KERNEL);
+ ses_init_buf = kzalloc(sizeof(struct rfc1002_session_packet), GFP_KERNEL);
if(ses_init_buf) {
ses_init_buf->trailer.session_req.called_len = 32;
if(target_name && (target_name[0] != 0)) {
memset(&volume_info,0,sizeof(struct smb_vol));
if (cifs_parse_mount_options(mount_data, devname, &volume_info)) {
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
cifserror("No username specified ");
/* In userspace mount helper we can get user name from alternate
locations such as env variables and files on disk */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
if(rc <= 0) {
/* we failed translating address */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
} else if (volume_info.UNCip){
/* BB using ip addr as server name connect to the DFS root below */
cERROR(1,("Connecting to DFS root not implemented yet"));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
} else /* which servers DFS root would we conect to */ {
cERROR(1,
("CIFS mount error: No UNC path (e.g. -o unc=//192.168.1.100/public) specified "));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
cifs_sb->local_nls = load_nls(volume_info.iocharset);
if(cifs_sb->local_nls == NULL) {
cERROR(1,("CIFS mount error: iocharset %s not found",volume_info.iocharset));
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -ELIBACC;
}
&sin_server6.sin6_addr,
volume_info.username, &srvTcp);
else {
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return -EINVAL;
}
("Error connecting to IPv4 socket. Aborting operation"));
if(csocket != NULL)
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
}
if (srvTcp == NULL) {
rc = -ENOMEM;
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
} else {
if(rc < 0) {
rc = -ENOMEM;
sock_release(csocket);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.UNC);
+ kfree(volume_info.password);
FreeXid(xid);
return rc;
}
if (existingCifsSes) {
pSesInfo = existingCifsSes;
cFYI(1, ("Existing smb sess found "));
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.password);
/* volume_info.UNC freed at end of function */
} else if (!rc) {
cFYI(1, ("Existing smb sess not found "));
if(!rc)
atomic_inc(&srvTcp->socketUseCount);
} else
- if(volume_info.password)
- kfree(volume_info.password);
+ kfree(volume_info.password);
}
/* search for existing tcon to this server share */
if (!rc) {
- if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
+ if(volume_info.rsize > CIFSMaxBufSize) {
+ cERROR(1,("rsize %d too large, using MaxBufSize",
+ volume_info.rsize));
+ cifs_sb->rsize = CIFSMaxBufSize;
+ } else if((volume_info.rsize) && (volume_info.rsize <= CIFSMaxBufSize))
cifs_sb->rsize = volume_info.rsize;
- else
- cifs_sb->rsize = srvTcp->maxBuf - MAX_CIFS_HDR_SIZE; /* default */
- if(volume_info.wsize)
+ else /* default */
+ cifs_sb->rsize = CIFSMaxBufSize;
+
+ if(volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
+ cERROR(1,("wsize %d too large using 4096 instead",
+ volume_info.wsize));
+ cifs_sb->wsize = 4096;
+ } else if(volume_info.wsize)
cifs_sb->wsize = volume_info.wsize;
else
cifs_sb->wsize = CIFSMaxBufSize; /* default */
"", cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if(volume_info.UNC)
- kfree(volume_info.UNC);
+ kfree(volume_info.UNC);
FreeXid(xid);
return -ENODEV;
} else {
cifs_sb->wsize = min(cifs_sb->wsize,
(tcon->ses->server->maxBuf -
MAX_CIFS_HDR_SIZE));
+ if (!(tcon->ses->capabilities & CAP_LARGE_READ_X))
+ cifs_sb->rsize = min(cifs_sb->rsize,
+ (tcon->ses->server->maxBuf -
+ MAX_CIFS_HDR_SIZE));
}
/* volume_info.password is freed above when existing session found
(in which case it is not needed anymore) but when new sesion is created
the password ptr is put in the new session structure (in which case the
password will be freed at unmount time) */
- if(volume_info.UNC)
- kfree(volume_info.UNC);
+ kfree(volume_info.UNC);
FreeXid(xid);
return rc;
}
/* We look for obvious messed up bcc or strings in response so we do not go off
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
- ses->serverOS = kcalloc(1, 2 * (len + 1), GFP_KERNEL);
+ ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL);
if(ses->serverOS == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverOS,
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *)bcc_ptr,
remaining_words-1);
- ses->serverNOS = kcalloc(1, 2 * (len + 1),GFP_KERNEL);
+ ses->serverNOS = kzalloc(2 * (len + 1),GFP_KERNEL);
if(ses->serverNOS == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverNOS,
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
ses->serverDomain =
- kcalloc(1, 2*(len+1),GFP_KERNEL);
+ kzalloc(2*(len+1),GFP_KERNEL);
if(ses->serverDomain == NULL)
goto sesssetup_nomem;
cifs_strfromUCS_le(ses->serverDomain,
} /* else no more room so create dummy domain string */
else
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
} else { /* no room so create dummy domain and NOS string */
/* if these kcallocs fail not much we
can do, but better to not fail the
sesssetup itself */
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
ses->serverNOS =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = kcalloc(1, len + 1,GFP_KERNEL);
+ ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
if(ses->serverOS == NULL)
goto sesssetup_nomem;
strncpy(ses->serverOS,bcc_ptr, len);
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = kcalloc(1, len + 1,GFP_KERNEL);
+ ses->serverNOS = kzalloc(len + 1,GFP_KERNEL);
if(ses->serverNOS == NULL)
goto sesssetup_nomem;
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = kcalloc(1, len + 1,GFP_KERNEL);
+ ses->serverDomain = kzalloc(len + 1,GFP_KERNEL);
if(ses->serverDomain == NULL)
goto sesssetup_nomem;
strncpy(ses->serverDomain, bcc_ptr, len);
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
ses->serverOS =
- kcalloc(1, 2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
(wchar_t *)
bcc_ptr, len,
remaining_words
- 1);
ses->serverNOS =
- kcalloc(1, 2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->serverNOS,
(wchar_t *)bcc_ptr,
if (remaining_words > 0) {
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
- ses->serverDomain = kcalloc(1, 2*(len+1),GFP_KERNEL);
+ ses->serverDomain = kzalloc(2*(len+1),GFP_KERNEL);
cifs_strfromUCS_le(ses->serverDomain,
(wchar_t *)bcc_ptr,
len,
} /* else no more room so create dummy domain string */
else
ses->serverDomain =
- kcalloc(1, 2,GFP_KERNEL);
+ kzalloc(2,GFP_KERNEL);
} else { /* no room so create dummy domain and NOS string */
- ses->serverDomain = kcalloc(1, 2, GFP_KERNEL);
- ses->serverNOS = kcalloc(1, 2, GFP_KERNEL);
+ ses->serverDomain = kzalloc(2, GFP_KERNEL);
+ ses->serverNOS = kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
if (((long) bcc_ptr + len) - (long)
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = kcalloc(1, len + 1, GFP_KERNEL);
+ ses->serverOS = kzalloc(len + 1, GFP_KERNEL);
strncpy(ses->serverOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = kcalloc(1, len + 1,GFP_KERNEL);
+ ses->serverNOS = kzalloc(len + 1,GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = kcalloc(1, len + 1, GFP_KERNEL);
+ ses->serverDomain = kzalloc(len + 1, GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
ses->serverOS =
- kcalloc(1, 2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
(wchar_t *)
bcc_ptr, len,
remaining_words
- 1);
ses->serverNOS =
- kcalloc(1, 2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->
serverNOS,
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string is not always null terminated (for e.g. for Windows XP & 2000) */
ses->serverDomain =
- kcalloc(1, 2 *
+ kzalloc(2 *
(len +
1),
GFP_KERNEL);
} /* else no more room so create dummy domain string */
else
ses->serverDomain =
- kcalloc(1, 2,
+ kzalloc(2,
GFP_KERNEL);
} else { /* no room so create dummy domain and NOS string */
ses->serverDomain =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
ses->serverNOS =
- kcalloc(1, 2, GFP_KERNEL);
+ kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
ses->serverOS =
- kcalloc(1, len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverOS,
bcc_ptr, len);
len = strnlen(bcc_ptr, 1024);
ses->serverNOS =
- kcalloc(1, len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
len = strnlen(bcc_ptr, 1024);
ses->serverDomain =
- kcalloc(1, len + 1,
+ kzalloc(len + 1,
GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
the end since (at least) WIN2K and Windows XP have a major bug in not null
terminating last Unicode string in response */
ses->serverOS =
- kcalloc(1, 2 * (len + 1), GFP_KERNEL);
+ kzalloc(2 * (len + 1), GFP_KERNEL);
cifs_strfromUCS_le(ses->serverOS,
(wchar_t *)
bcc_ptr, len,
remaining_words
- 1);
ses->serverNOS =
- kcalloc(1, 2 * (len + 1),
+ kzalloc(2 * (len + 1),
GFP_KERNEL);
cifs_strfromUCS_le(ses->
serverNOS,
len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words);
/* last string not always null terminated (e.g. for Windows XP & 2000) */
ses->serverDomain =
- kcalloc(1, 2 *
+ kzalloc(2 *
(len +
1),
GFP_KERNEL);
= 0;
} /* else no more room so create dummy domain string */
else
- ses->serverDomain = kcalloc(1, 2,GFP_KERNEL);
+ ses->serverDomain = kzalloc(2,GFP_KERNEL);
} else { /* no room so create dummy domain and NOS string */
- ses->serverDomain = kcalloc(1, 2, GFP_KERNEL);
- ses->serverNOS = kcalloc(1, 2, GFP_KERNEL);
+ ses->serverDomain = kzalloc(2, GFP_KERNEL);
+ ses->serverNOS = kzalloc(2, GFP_KERNEL);
}
} else { /* ASCII */
len = strnlen(bcc_ptr, 1024);
if (((long) bcc_ptr + len) -
(long) pByteArea(smb_buffer_response)
<= BCC(smb_buffer_response)) {
- ses->serverOS = kcalloc(1, len + 1,GFP_KERNEL);
+ ses->serverOS = kzalloc(len + 1,GFP_KERNEL);
strncpy(ses->serverOS,bcc_ptr, len);
bcc_ptr += len;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverNOS = kcalloc(1, len+1,GFP_KERNEL);
+ ses->serverNOS = kzalloc(len+1,GFP_KERNEL);
strncpy(ses->serverNOS, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
bcc_ptr++;
len = strnlen(bcc_ptr, 1024);
- ses->serverDomain = kcalloc(1, len+1,GFP_KERNEL);
+ ses->serverDomain = kzalloc(len+1,GFP_KERNEL);
strncpy(ses->serverDomain, bcc_ptr, len);
bcc_ptr += len;
bcc_ptr[0] = 0;
if ((bcc_ptr + (2 * length)) -
pByteArea(smb_buffer_response) <=
BCC(smb_buffer_response)) {
- if(tcon->nativeFileSystem)
- kfree(tcon->nativeFileSystem);
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- kcalloc(1, length + 2, GFP_KERNEL);
+ kzalloc(length + 2, GFP_KERNEL);
cifs_strfromUCS_le(tcon->nativeFileSystem,
(wchar_t *) bcc_ptr,
length, nls_codepage);
if ((bcc_ptr + length) -
pByteArea(smb_buffer_response) <=
BCC(smb_buffer_response)) {
- if(tcon->nativeFileSystem)
- kfree(tcon->nativeFileSystem);
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem =
- kcalloc(1, length + 1, GFP_KERNEL);
+ kzalloc(length + 1, GFP_KERNEL);
strncpy(tcon->nativeFileSystem, bcc_ptr,
length);
}
}
cifs_sb->tcon = NULL;
- if (ses) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ / 2);
- }
+ if (ses)
+ schedule_timeout_interruptible(msecs_to_jiffies(500));
if (ses)
sesInfoFree(ses);