fix some typos

Signed-off-by: bin liu <liubin0329@gmail.com>

libnetwork/drivers/bridge/error.go

@@ -19,7 +19,7 @@ var (
 	// ErrIfaceName error is returned when a new name could not be generated.
 	ErrIfaceName = errors.New("Failed to find name for new interface")
 
-	// ErrNoIPAddr error is returned when bridge has no IPv4 addrss configured.
+	// ErrNoIPAddr error is returned when bridge has no IPv4 address configured.
 	ErrNoIPAddr = errors.New("Bridge has no IPv4 address configured")
 )
 

libnetwork/drivers/bridge/setup_ipv4.go

@@ -70,7 +70,7 @@ func electBridgeIPv4(config *Configuration) (*net.IPNet, error) {
 		nameservers = append(nameservers, getNameserversAsCIDR(resolvConf)...)
 	}
 
-	// Try to automatically elect appropriate brige IPv4 settings.
+	// Try to automatically elect appropriate bridge IPv4 settings.
 	for _, n := range bridgeNetworks {
 		if err := netutils.CheckNameserverOverlaps(nameservers, n); err == nil {
 			if err := netutils.CheckRouteOverlaps(n); err == nil {

libnetwork/pkg/portallocator/portallocator.go

@@ -122,7 +122,7 @@ func getDynamicPortRange() (start int, end int, err error) {
 }
 
 // RequestPort requests new port from global ports pool for specified ip and proto.
-// If port is 0 it returns first free port. Otherwise it cheks port availability
+// If port is 0 it returns first free port. Otherwise it checks port availability
 // in pool and return that port or error if port is already busy.
 func (p *PortAllocator) RequestPort(ip net.IP, proto string, port int) (int, error) {
 	p.mutex.Lock()

libnetwork/portmapper/mapper.go

@@ -25,7 +25,7 @@ var (
 	ErrUnknownBackendAddressType = errors.New("unknown container address type not supported")
 	// ErrPortMappedForIP refers to a port already mapped to an ip address
 	ErrPortMappedForIP = errors.New("port is already mapped to ip")
-	// ErrPortNotMapped refers to an unampped port
+	// ErrPortNotMapped refers to an unmapped port
 	ErrPortNotMapped = errors.New("port is not mapped")
 )
 
@@ -45,7 +45,7 @@ func New() *PortMapper {
 	return NewWithPortAllocator(portallocator.New())
 }
 
-// NewWithPortAllocator returns a new instance of PortMapper wich will use the specified PortAllocator
+// NewWithPortAllocator returns a new instance of PortMapper which will use the specified PortAllocator
 func NewWithPortAllocator(allocator *portallocator.PortAllocator) *PortMapper {
 	return &PortMapper{
 		currentMappings: make(map[string]*mapping),