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-rw-r--r--fs/cifs/connect.c64
1 files changed, 31 insertions, 33 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 6c4332f8da6c..f2259db075c4 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1362,45 +1362,43 @@ find_unc(__be32 new_target_ip_addr, char *uncName, char *userName)
{
struct list_head *tmp;
struct cifsTconInfo *tcon;
+ __be32 old_ip;
read_lock(&GlobalSMBSeslock);
+
list_for_each(tmp, &GlobalTreeConnectionList) {
cFYI(1, ("Next tcon"));
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
- if (tcon->ses) {
- if (tcon->ses->server) {
- cFYI(1,
- ("old ip addr: %x == new ip %x ?",
- tcon->ses->server->addr.sockAddr.sin_addr.
- s_addr, new_target_ip_addr));
- if (tcon->ses->server->addr.sockAddr.sin_addr.
- s_addr == new_target_ip_addr) {
- /* BB lock tcon, server and tcp session and increment use count here? */
- /* found a match on the TCP session */
- /* BB check if reconnection needed */
- cFYI(1,
- ("IP match, old UNC: %s new: %s",
- tcon->treeName, uncName));
- if (strncmp
- (tcon->treeName, uncName,
- MAX_TREE_SIZE) == 0) {
- cFYI(1,
- ("and old usr: %s new: %s",
- tcon->treeName, uncName));
- if (strncmp
- (tcon->ses->userName,
- userName,
- MAX_USERNAME_SIZE) == 0) {
- read_unlock(&GlobalSMBSeslock);
- /* matched smb session
- (user name */
- return tcon;
- }
- }
- }
- }
- }
+ if (!tcon->ses || !tcon->ses->server)
+ continue;
+
+ old_ip = tcon->ses->server->addr.sockAddr.sin_addr.s_addr;
+ cFYI(1, ("old ip addr: %x == new ip %x ?",
+ old_ip, new_target_ip_addr));
+
+ if (old_ip != new_target_ip_addr)
+ continue;
+
+ /* BB lock tcon, server, tcp session and increment use count? */
+ /* found a match on the TCP session */
+ /* BB check if reconnection needed */
+ cFYI(1, ("IP match, old UNC: %s new: %s",
+ tcon->treeName, uncName));
+
+ if (strncmp(tcon->treeName, uncName, MAX_TREE_SIZE))
+ continue;
+
+ cFYI(1, ("and old usr: %s new: %s",
+ tcon->treeName, uncName));
+
+ if (strncmp(tcon->ses->userName, userName, MAX_USERNAME_SIZE))
+ continue;
+
+ /* matched smb session (user name) */
+ read_unlock(&GlobalSMBSeslock);
+ return tcon;
}
+
read_unlock(&GlobalSMBSeslock);
return NULL;
}