diff options
Diffstat (limited to 'fs/cifs/cifs_swn.c')
-rw-r--r-- | fs/cifs/cifs_swn.c | 73 |
1 files changed, 37 insertions, 36 deletions
diff --git a/fs/cifs/cifs_swn.c b/fs/cifs/cifs_swn.c index c594e588a8b5..d35f599aa00e 100644 --- a/fs/cifs/cifs_swn.c +++ b/fs/cifs/cifs_swn.c @@ -285,8 +285,6 @@ static struct cifs_swn_reg *cifs_find_swn_reg(struct cifs_tcon *tcon) continue; } - mutex_unlock(&cifs_swnreg_idr_mutex); - cifs_dbg(FYI, "Existing swn registration for %s:%s found\n", swnreg->net_name, swnreg->share_name); @@ -482,48 +480,51 @@ static int cifs_swn_store_swn_addr(const struct sockaddr_storage *new, static int cifs_swn_reconnect(struct cifs_tcon *tcon, struct sockaddr_storage *addr) { + int ret = 0; + /* Store the reconnect address */ mutex_lock(&tcon->ses->server->srv_mutex); - if (!cifs_sockaddr_equal(&tcon->ses->server->dstaddr, addr)) { - int ret; - - ret = cifs_swn_store_swn_addr(addr, &tcon->ses->server->dstaddr, - &tcon->ses->server->swn_dstaddr); - if (ret < 0) { - cifs_dbg(VFS, "%s: failed to store address: %d\n", __func__, ret); - return ret; - } - tcon->ses->server->use_swn_dstaddr = true; + if (cifs_sockaddr_equal(&tcon->ses->server->dstaddr, addr)) + goto unlock; - /* - * Unregister to stop receiving notifications for the old IP address. - */ - ret = cifs_swn_unregister(tcon); - if (ret < 0) { - cifs_dbg(VFS, "%s: Failed to unregister for witness notifications: %d\n", - __func__, ret); - return ret; - } + ret = cifs_swn_store_swn_addr(addr, &tcon->ses->server->dstaddr, + &tcon->ses->server->swn_dstaddr); + if (ret < 0) { + cifs_dbg(VFS, "%s: failed to store address: %d\n", __func__, ret); + goto unlock; + } + tcon->ses->server->use_swn_dstaddr = true; - /* - * And register to receive notifications for the new IP address now that we have - * stored the new address. - */ - ret = cifs_swn_register(tcon); - if (ret < 0) { - cifs_dbg(VFS, "%s: Failed to register for witness notifications: %d\n", - __func__, ret); - return ret; - } + /* + * Unregister to stop receiving notifications for the old IP address. + */ + ret = cifs_swn_unregister(tcon); + if (ret < 0) { + cifs_dbg(VFS, "%s: Failed to unregister for witness notifications: %d\n", + __func__, ret); + goto unlock; + } - spin_lock(&GlobalMid_Lock); - if (tcon->ses->server->tcpStatus != CifsExiting) - tcon->ses->server->tcpStatus = CifsNeedReconnect; - spin_unlock(&GlobalMid_Lock); + /* + * And register to receive notifications for the new IP address now that we have + * stored the new address. + */ + ret = cifs_swn_register(tcon); + if (ret < 0) { + cifs_dbg(VFS, "%s: Failed to register for witness notifications: %d\n", + __func__, ret); + goto unlock; } + + spin_lock(&GlobalMid_Lock); + if (tcon->ses->server->tcpStatus != CifsExiting) + tcon->ses->server->tcpStatus = CifsNeedReconnect; + spin_unlock(&GlobalMid_Lock); + +unlock: mutex_unlock(&tcon->ses->server->srv_mutex); - return 0; + return ret; } static int cifs_swn_client_move(struct cifs_swn_reg *swnreg, struct sockaddr_storage *addr) |