There are multiple unused variables struct TCP_Server_Info *server
defined in many methods in smb2pdu.c. They should be removed and related
logic simplified.
Signed-off-by: Christos Gkekas <[email protected]>
---
fs/cifs/smb2pdu.c | 35 +++++++----------------------------
1 file changed, 7 insertions(+), 28 deletions(-)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 4938e8b..ee59592 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -1167,15 +1167,12 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
int rc = 0;
int resp_buftype;
int unc_path_len;
- struct TCP_Server_Info *server;
__le16 *unc_path = NULL;
int flags = 0;
cifs_dbg(FYI, "TCON\n");
- if ((ses->server) && tree)
- server = ses->server;
- else
+ if (!(ses->server) || !tree)
return -EIO;
unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL);
@@ -1294,15 +1291,12 @@ SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon)
{
struct smb2_tree_disconnect_req *req; /* response is trivial */
int rc = 0;
- struct TCP_Server_Info *server;
struct cifs_ses *ses = tcon->ses;
int flags = 0;
cifs_dbg(FYI, "Tree Disconnect\n");
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
if ((tcon->need_reconnect) || (tcon->ses->need_reconnect))
@@ -1794,7 +1788,6 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
struct smb2_ioctl_req *req;
struct smb2_ioctl_rsp *rsp;
struct smb2_sync_hdr *shdr;
- struct TCP_Server_Info *server;
struct cifs_ses *ses;
struct kvec iov[2];
struct kvec rsp_iov;
@@ -1817,9 +1810,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
else
return -EIO;
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
rc = small_smb2_init(SMB2_IOCTL, tcon, (void **) &req);
@@ -1977,7 +1968,6 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
{
struct smb2_close_req *req;
struct smb2_close_rsp *rsp;
- struct TCP_Server_Info *server;
struct cifs_ses *ses = tcon->ses;
struct kvec iov[1];
struct kvec rsp_iov;
@@ -1987,9 +1977,7 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
cifs_dbg(FYI, "Close\n");
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
rc = small_smb2_init(SMB2_CLOSE, tcon, (void **) &req);
@@ -2091,15 +2079,12 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon,
struct kvec rsp_iov;
int rc = 0;
int resp_buftype;
- struct TCP_Server_Info *server;
struct cifs_ses *ses = tcon->ses;
int flags = 0;
cifs_dbg(FYI, "Query Info\n");
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
rc = small_smb2_init(SMB2_QUERY_INFO, tcon, (void **) &req);
@@ -2311,7 +2296,6 @@ SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
u64 volatile_fid)
{
struct smb2_flush_req *req;
- struct TCP_Server_Info *server;
struct cifs_ses *ses = tcon->ses;
struct kvec iov[1];
struct kvec rsp_iov;
@@ -2321,9 +2305,7 @@ SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
cifs_dbg(FYI, "Flush\n");
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
rc = small_smb2_init(SMB2_FLUSH, tcon, (void **) &req);
@@ -3010,13 +2992,10 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
int rc = 0;
int resp_buftype;
unsigned int i;
- struct TCP_Server_Info *server;
struct cifs_ses *ses = tcon->ses;
int flags = 0;
- if (ses && (ses->server))
- server = ses->server;
- else
+ if (!ses || !(ses->server))
return -EIO;
if (!num)
--
2.7.4
merged into cifs-2.6.git for-next
On Sun, Jul 9, 2017 at 5:45 AM, Christos Gkekas <[email protected]> wrote:
> There are multiple unused variables struct TCP_Server_Info *server
> defined in many methods in smb2pdu.c. They should be removed and related
> logic simplified.
>
> Signed-off-by: Christos Gkekas <[email protected]>
> ---
> fs/cifs/smb2pdu.c | 35 +++++++----------------------------
> 1 file changed, 7 insertions(+), 28 deletions(-)
>
> diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
> index 4938e8b..ee59592 100644
> --- a/fs/cifs/smb2pdu.c
> +++ b/fs/cifs/smb2pdu.c
> @@ -1167,15 +1167,12 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree,
> int rc = 0;
> int resp_buftype;
> int unc_path_len;
> - struct TCP_Server_Info *server;
> __le16 *unc_path = NULL;
> int flags = 0;
>
> cifs_dbg(FYI, "TCON\n");
>
> - if ((ses->server) && tree)
> - server = ses->server;
> - else
> + if (!(ses->server) || !tree)
> return -EIO;
>
> unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL);
> @@ -1294,15 +1291,12 @@ SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon)
> {
> struct smb2_tree_disconnect_req *req; /* response is trivial */
> int rc = 0;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses = tcon->ses;
> int flags = 0;
>
> cifs_dbg(FYI, "Tree Disconnect\n");
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> if ((tcon->need_reconnect) || (tcon->ses->need_reconnect))
> @@ -1794,7 +1788,6 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> struct smb2_ioctl_req *req;
> struct smb2_ioctl_rsp *rsp;
> struct smb2_sync_hdr *shdr;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses;
> struct kvec iov[2];
> struct kvec rsp_iov;
> @@ -1817,9 +1810,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> else
> return -EIO;
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> rc = small_smb2_init(SMB2_IOCTL, tcon, (void **) &req);
> @@ -1977,7 +1968,6 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
> {
> struct smb2_close_req *req;
> struct smb2_close_rsp *rsp;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses = tcon->ses;
> struct kvec iov[1];
> struct kvec rsp_iov;
> @@ -1987,9 +1977,7 @@ SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
>
> cifs_dbg(FYI, "Close\n");
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> rc = small_smb2_init(SMB2_CLOSE, tcon, (void **) &req);
> @@ -2091,15 +2079,12 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon,
> struct kvec rsp_iov;
> int rc = 0;
> int resp_buftype;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses = tcon->ses;
> int flags = 0;
>
> cifs_dbg(FYI, "Query Info\n");
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> rc = small_smb2_init(SMB2_QUERY_INFO, tcon, (void **) &req);
> @@ -2311,7 +2296,6 @@ SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
> u64 volatile_fid)
> {
> struct smb2_flush_req *req;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses = tcon->ses;
> struct kvec iov[1];
> struct kvec rsp_iov;
> @@ -2321,9 +2305,7 @@ SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
>
> cifs_dbg(FYI, "Flush\n");
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> rc = small_smb2_init(SMB2_FLUSH, tcon, (void **) &req);
> @@ -3010,13 +2992,10 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon,
> int rc = 0;
> int resp_buftype;
> unsigned int i;
> - struct TCP_Server_Info *server;
> struct cifs_ses *ses = tcon->ses;
> int flags = 0;
>
> - if (ses && (ses->server))
> - server = ses->server;
> - else
> + if (!ses || !(ses->server))
> return -EIO;
>
> if (!num)
> --
> 2.7.4
>
> --
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--
Thanks,
Steve