Scrubbed some files for IP4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6447 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 14 insertions, 8 deletions

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.c
index 561be165d8..89a371400b 100644
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.c
@@ -23,7 +23,7 @@ Abstract:
 

 

 /**

-  Return the cast type (Unicast/Boradcast) specific to a

+  Return the cast type (Unicast/Boradcast) specific to an

   interface. All the addresses are host byte ordered.

 

   @param  IpAddr                The IP address to classify in host byte order

@@ -34,6 +34,7 @@ Abstract:
   @retval IP4_SUBNET_BROADCAST  The IpAddr is a directed subnet boradcast to  the

                                 interface

   @retval IP4_NET_BROADCAST     The IpAddr is a network broadcast to the interface

+  @retval 0                     Otherwise.

 

 **/

 INTN

@@ -69,8 +70,8 @@ Ip4GetNetCast (
   @param  Src                   The source address in the packet (host byte order)

 

   @return The cast type for the Dst, it will return on the first non-promiscuous

-  @return cast type to a configured interface. If the packet doesn't match any of

-  @return the interface, multicast address and local broadcast address are checked.

+          cast type to a configured interface. If the packet doesn't match any of

+          the interface, multicast address and local broadcast address are checked.

 

 **/

 INTN

@@ -119,11 +120,11 @@ Ip4GetHostCast (
   if (Dst == IP4_ALLONE_ADDRESS) {

     IpIf = Ip4FindNet (IpSb, Src);

 

-    if (IpIf && !IP4_IS_BROADCAST (Ip4GetNetCast (Src, IpIf))) {

+    if (IpIf != NULL && !IP4_IS_BROADCAST (Ip4GetNetCast (Src, IpIf))) {

       return IP4_LOCAL_BROADCAST;

     }

 

-  } else if (IP4_IS_MULTICAST (Dst) && Ip4FindGroup (&IpSb->IgmpCtrl, Dst)) {

+  } else if (IP4_IS_MULTICAST (Dst) && Ip4FindGroup (&IpSb->IgmpCtrl, Dst) != NULL) {

     return IP4_MULTICAST;

   }

 

@@ -132,7 +133,7 @@ Ip4GetHostCast (
 

 

 /**

-  Find an interface whose configured IP address is Ip

+  Find an interface whose configured IP address is Ip.

 

   @param  IpSb                  The IP4 service binding instance

   @param  Ip                    The Ip address (host byte order) to find

@@ -232,8 +233,9 @@ Ip4FindStationAddress (
   @param  Multicast             The multicast IP address to translate.

   @param  Mac                   The buffer to hold the translated address.

 

-  @return Returns EFI_SUCCESS if the multicast IP is successfully

-  @return translated to a multicast MAC address. Otherwise some error.

+  @retval EFI_SUCCESS if the multicast IP is successfully translated to a

+                      multicast MAC address.

+  @retval other       Otherwise some error.

 

 **/

 EFI_STATUS

@@ -277,9 +279,13 @@ Ip4NtohHead (
 

 /**

   Set the Ip4 variable data.

+  

+  Save the list of all of the IPv4 addresses and subnet masks that are currently

+  being used to volatile variable storage.

 

   @param  IpSb                  Ip4 service binding instance

 

+  @retval EFI_SUCCESS           Successfully set variable.

   @retval EFI_OUT_OF_RESOURCES  There are not enough resources to set the variable.

   @retval other                 Set variable failed.