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cifs: replace code with free_rsp_buf()

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The functionality provided by free_rsp_buf() is duplicated in a number
of places. Replace these instances with a call to free_rsp_buf().

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Shirish Pargaonkar <spargaonkar@suse.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Sachin Prabhu 2014-06-16 15:35:24 +01:00 committed by Steve French
parent 6f0928036b
commit 6d81ed1ec2
4 changed files with 14 additions and 26 deletions
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1
fs/cifs/cifsproto.h
View File

@ -36,6 +36,7 @@ extern struct smb_hdr *cifs_buf_get(void);
extern void cifs_buf_release(void *);
extern struct smb_hdr *cifs_small_buf_get(void);
extern void cifs_small_buf_release(void *);
extern void free_rsp_buf(int, void *);
extern void cifs_rqst_page_to_kvec(struct smb_rqst *rqst, unsigned int idx,
struct kvec *iov);
extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,

20
fs/cifs/cifssmb.c
View File

@ -1734,10 +1734,7 @@ CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms,
/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
if (*buf) {
if (resp_buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(iov[0].iov_base);
else if (resp_buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(iov[0].iov_base);
free_rsp_buf(resp_buf_type, iov[0].iov_base);
} else if (resp_buf_type != CIFS_NO_BUFFER) {
/* return buffer to caller to free */
*buf = iov[0].iov_base;
@ -2203,10 +2200,7 @@ CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms,
}
/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
if (resp_buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(iov[0].iov_base);
else if (resp_buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(iov[0].iov_base);
free_rsp_buf(resp_buf_type, iov[0].iov_base);
/* Note: On -EAGAIN error only caller can retry on handle based calls
since file handle passed in no longer valid */
@ -2451,10 +2445,7 @@ CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon,
if (pSMB)
cifs_small_buf_release(pSMB);
if (resp_buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(iov[0].iov_base);
else if (resp_buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(iov[0].iov_base);
free_rsp_buf(resp_buf_type, iov[0].iov_base);
/* Note: On -EAGAIN error only caller can retry on handle based calls
since file handle passed in no longer valid */
@ -3838,10 +3829,7 @@ CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, __u16 fid,
}
}
qsec_out:
if (buf_type == CIFS_SMALL_BUFFER)
cifs_small_buf_release(iov[0].iov_base);
else if (buf_type == CIFS_LARGE_BUFFER)
cifs_buf_release(iov[0].iov_base);
free_rsp_buf(buf_type, iov[0].iov_base);
/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
return rc;
}

9
fs/cifs/misc.c
View File

@ -226,6 +226,15 @@ cifs_small_buf_release(void *buf_to_free)
return;
}
void
free_rsp_buf(int resp_buftype, void *rsp)
{
if (resp_buftype == CIFS_SMALL_BUFFER)
cifs_small_buf_release(rsp);
else if (resp_buftype == CIFS_LARGE_BUFFER)
cifs_buf_release(rsp);
}
/* NB: MID can not be set if treeCon not passed in, in that
case it is responsbility of caller to set the mid */
void

10
fs/cifs/smb2pdu.c
View File

@ -309,16 +309,6 @@ small_smb2_init(__le16 smb2_command, struct cifs_tcon *tcon,
return rc;
}
static void
free_rsp_buf(int resp_buftype, void *rsp)
{
if (resp_buftype == CIFS_SMALL_BUFFER)
cifs_small_buf_release(rsp);
else if (resp_buftype == CIFS_LARGE_BUFFER)
cifs_buf_release(rsp);
}
/*
*
* SMB2 Worker functions follow: