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authorMariusz Kozlowski <m.kozlowski@tuxland.pl>2007-10-03 16:41:24 +0000
committerSteve French <sfrench@us.ibm.com>2007-10-03 16:41:24 +0000
commita8a11d399fc3c70f2aa645c7472235a06e8b8efa (patch)
tree035ed3bc8a5b4a1fbce73c04f5dad979f340f07b /fs/cifs
parent[CIFS] Reduce chance of list corruption in find_writable_file (diff)
downloadlinux-dev-a8a11d399fc3c70f2aa645c7472235a06e8b8efa.tar.xz
linux-dev-a8a11d399fc3c70f2aa645c7472235a06e8b8efa.zip
[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>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/connect.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 21cac15ed9a7..fc3a851357fc 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -673,9 +673,8 @@ multi_t2_fnd:
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;
}