NetworkPkg: UefiPxeBcDxe: Add EXCLUSIVE attribute when opening SNP protocol installed...

[mirror_edk2.git] / NetworkPkg / UefiPxeBcDxe / PxeBcDriver.c

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
index bc9dc914f3201996d3cb993f34b557b97f1d4121..0ab640becaf45c96daea38de57fb505598be4f6b 100644 (file)
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
@@ -814,7 +814,7 @@ PxeBcCreateIp4Children (
     }\r
 \r
     //\r
-    // Open SNP on the child handle BY_DRIVER. It will prevent any additionally\r
+    // Open SNP on the child handle BY_DRIVER|EXCLUSIVE. It will prevent any additionally\r
     // layering to perform the experiment.\r
     //\r
     Status = gBS->OpenProtocol (\r
@@ -823,7 +823,7 @@ PxeBcCreateIp4Children (
                     (VOID **) &Snp,\r
                     This->DriverBindingHandle,\r
                     Private->Ip4Nic->Controller,\r
-                    EFI_OPEN_PROTOCOL_BY_DRIVER\r
+                    EFI_OPEN_PROTOCOL_BY_DRIVER|EFI_OPEN_PROTOCOL_EXCLUSIVE\r
                     );\r
     if (EFI_ERROR (Status)) {\r
       goto ON_ERROR;\r
@@ -1157,7 +1157,7 @@ PxeBcCreateIp6Children (
     }\r
 \r
     //\r
-    // Open SNP on the child handle BY_DRIVER. It will prevent any additionally\r
+    // Open SNP on the child handle BY_DRIVER|EXCLUSIVE. It will prevent any additionally\r
     // layering to perform the experiment.\r
     //\r
     Status = gBS->OpenProtocol (\r
@@ -1166,7 +1166,7 @@ PxeBcCreateIp6Children (
                     (VOID **) &Snp,\r
                     This->DriverBindingHandle,\r
                     Private->Ip6Nic->Controller,\r
-                    EFI_OPEN_PROTOCOL_BY_DRIVER\r
+                    EFI_OPEN_PROTOCOL_BY_DRIVER|EFI_OPEN_PROTOCOL_EXCLUSIVE\r
                     );\r
     if (EFI_ERROR (Status)) {\r
       goto ON_ERROR;\r