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three small SMB3 client fixes, one to improve a null check and two minor cleanup

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Merge tag '6.6-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client fixes from Steve French:
 "Three small SMB3 client fixes, one to improve a null check and two
  minor cleanups"

* tag '6.6-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: fix some minor typos and repeated words
  smb3: correct places where ENOTSUPP is used instead of preferred EOPNOTSUPP
  smb3: move server check earlier when setting channel sequence number
This commit is contained in:
Linus Torvalds 2023-09-17 10:41:42 -07:00
commit 45c3c62722
4 changed files with 24 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/smb/client/inode.c
View file

@ -2680,7 +2680,7 @@ int cifs_fiemap(struct inode *inode, struct fiemap_extent_info *fei, u64 start,
}
cifsFileInfo_put(cfile);
return -ENOTSUPP;
return -EOPNOTSUPP;
}
int cifs_truncate_page(struct address_space *mapping, loff_t from)

6
fs/smb/client/smb2ops.c
View file

@ -297,7 +297,7 @@ smb2_adjust_credits(struct TCP_Server_Info *server,
cifs_server_dbg(VFS, "request has less credits (%d) than required (%d)",
credits->value, new_val);
return -ENOTSUPP;
return -EOPNOTSUPP;
}
spin_lock(&server->req_lock);
@ -1161,7 +1161,7 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
/* Use a fudge factor of 256 bytes in case we collide
* with a different set_EAs command.
*/
if(CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE -
if (CIFSMaxBufSize - MAX_SMB2_CREATE_RESPONSE_SIZE -
MAX_SMB2_CLOSE_RESPONSE_SIZE - 256 <
used_len + ea_name_len + ea_value_len + 1) {
rc = -ENOSPC;
@ -4591,7 +4591,7 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
if (shdr->Command != SMB2_READ) {
cifs_server_dbg(VFS, "only big read responses are supported\n");
return -ENOTSUPP;
return -EOPNOTSUPP;
}
if (server->ops->is_session_expired &&

31
fs/smb/client/smb2pdu.c
View file

@ -89,20 +89,26 @@ smb2_hdr_assemble(struct smb2_hdr *shdr, __le16 smb2_cmd,
struct TCP_Server_Info *server)
{
struct smb3_hdr_req *smb3_hdr;
shdr->ProtocolId = SMB2_PROTO_NUMBER;
shdr->StructureSize = cpu_to_le16(64);
shdr->Command = smb2_cmd;
if (server->dialect >= SMB30_PROT_ID) {
/* After reconnect SMB3 must set ChannelSequence on subsequent reqs */
smb3_hdr = (struct smb3_hdr_req *)shdr;
/* if primary channel is not set yet, use default channel for chan sequence num */
if (SERVER_IS_CHAN(server))
smb3_hdr->ChannelSequence =
cpu_to_le16(server->primary_server->channel_sequence_num);
else
smb3_hdr->ChannelSequence = cpu_to_le16(server->channel_sequence_num);
}
if (server) {
/* After reconnect SMB3 must set ChannelSequence on subsequent reqs */
if (server->dialect >= SMB30_PROT_ID) {
smb3_hdr = (struct smb3_hdr_req *)shdr;
/*
* if primary channel is not set yet, use default
* channel for chan sequence num
*/
if (SERVER_IS_CHAN(server))
smb3_hdr->ChannelSequence =
cpu_to_le16(server->primary_server->channel_sequence_num);
else
smb3_hdr->ChannelSequence =
cpu_to_le16(server->channel_sequence_num);
}
spin_lock(&server->req_lock);
/* Request up to 10 credits but don't go over the limit. */
if (server->credits >= server->max_credits)
@ -2234,7 +2240,7 @@ create_durable_v2_buf(struct cifs_open_parms *oparms)
* (most servers default to 120 seconds) and most clients default to 0.
* This can be overridden at mount ("handletimeout=") if the user wants
* a different persistent (or resilient) handle timeout for all opens
* opens on a particular SMB3 mount.
* on a particular SMB3 mount.
*/
buf->dcontext.Timeout = cpu_to_le32(oparms->tcon->handle_timeout);
buf->dcontext.Flags = cpu_to_le32(SMB2_DHANDLE_FLAG_PERSISTENT);
@ -2379,7 +2385,7 @@ add_twarp_context(struct kvec *iov, unsigned int *num_iovec, __u64 timewarp)
return 0;
}
/* See See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
/* See http://technet.microsoft.com/en-us/library/hh509017(v=ws.10).aspx */
static void setup_owner_group_sids(char *buf)
{
struct owner_group_sids *sids = (struct owner_group_sids *)buf;
@ -3124,6 +3130,7 @@ void
SMB2_ioctl_free(struct smb_rqst *rqst)
{
int i;
if (rqst && rqst->rq_iov) {
cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */
for (i = 1; i < rqst->rq_nvec; i++)

2
fs/smb/client/transport.c
View file

@ -18,7 +18,7 @@
#include <linux/bvec.h>
#include <linux/highmem.h>
#include <linux/uaccess.h>
#include <asm/processor.h>
#include <linux/processor.h>
#include <linux/mempool.h>
#include <linux/sched/signal.h>
#include <linux/task_io_accounting_ops.h>