Kernel - Implemented waking from semaphores

[tpg/acess2.git] / Modules / Network / RTL8139 / rtl8139.c

diff --git a/Modules/Network/RTL8139/rtl8139.c b/Modules/Network/RTL8139/rtl8139.c
index c63dfee..d77fe27 100644 (file)
--- a/Modules/Network/RTL8139/rtl8139.c
+++ b/Modules/Network/RTL8139/rtl8139.c
@@ -255,7 +255,10 @@ Uint64 RTL8139_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
        ENTER("pNode XOffset XLength pBuffer", Node, Offset, Length, Buffer);
 
 retry:
-       Semaphore_Wait( &card->ReadSemaphore, 1 );
+       if( Semaphore_Wait( &card->ReadSemaphore, 1 ) != 1 )
+       {
+               LEAVE_RET('i', 0);
+       }
        
        Mutex_Acquire( &card->ReadMutex );
        
@@ -423,9 +426,13 @@ void RTL8139_IRQHandler(int Num)
                        
                        LOG("packet_count = %i, read_ofs = 0x%x", packet_count, read_ofs);
                        
-                       Semaphore_Signal( &card->ReadSemaphore, packet_count );
                        if( packet_count )
+                       {
+                               if( Semaphore_Signal( &card->ReadSemaphore, packet_count ) != packet_count ) {
+                                       // Oops?
+                               }
                                VFS_MarkAvaliable( &card->Node, 1 );
+                       }
                        
                        outw(card->IOBase + ISR, FLAG_ISR_ROK);
                }