[CIFS] remove some redundant argument checks

This patch does kmalloc + memset conversion to kzalloc and removes some
redundant argument checks.

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Mariusz Kozlowski 2007-10-03 16:41:24 +00:00 committed by Steve French
parent 9b22b0b726
commit a8a11d399f

View file

@ -673,9 +673,8 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
server->ssocket = NULL;
}
/* buffer usuallly freed in free_mid - need to free it here on exit */
if (bigbuf != NULL)
cifs_buf_release(bigbuf);
if (smallbuf != NULL)
cifs_buf_release(bigbuf);
if (smallbuf) /* no sense logging a debug message if NULL */
cifs_small_buf_release(smallbuf);
read_lock(&GlobalSMBSeslock);
@ -1910,8 +1909,8 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
return rc;
}
srvTcp = kmalloc(sizeof (struct TCP_Server_Info), GFP_KERNEL);
if (srvTcp == NULL) {
srvTcp = kzalloc(sizeof(struct TCP_Server_Info), GFP_KERNEL);
if (!srvTcp) {
rc = -ENOMEM;
sock_release(csocket);
kfree(volume_info.UNC);
@ -1920,7 +1919,6 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
FreeXid(xid);
return rc;
} else {
memset(srvTcp, 0, sizeof (struct TCP_Server_Info));
memcpy(&srvTcp->addr.sockAddr, &sin_server,
sizeof (struct sockaddr_in));
atomic_set(&srvTcp->inFlight, 0);
@ -2529,8 +2527,7 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
sesssetup_nomem: /* do not return an error on nomem for the info strings,
since that could make reconnection harder, and
reconnection might be needed to free memory */
if (smb_buffer)
cifs_buf_release(smb_buffer);
cifs_buf_release(smb_buffer);
return rc;
}
@ -2868,8 +2865,7 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
rc = -EIO;
}
if (smb_buffer)
cifs_buf_release(smb_buffer);
cifs_buf_release(smb_buffer);
return rc;
}
@ -3277,8 +3273,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
rc = -EIO;
}
if (smb_buffer)
cifs_buf_release(smb_buffer);
cifs_buf_release(smb_buffer);
return rc;
}
@ -3446,8 +3441,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
ses->ipc_tid = smb_buffer_response->Tid;
}
if (smb_buffer)
cifs_buf_release(smb_buffer);
cifs_buf_release(smb_buffer);
return rc;
}