[patch] Patch for the 1.0.0301 version of the NFORCE drivers

nvmain.patch (text/plain), 1.20 KB, created by Lawrence Lee on 2005-05-04 16:29:08 UTC

--- nvmain.c	2005-03-04 21:28:03.000000000 -0800
+++ newnvmain.c	2005-04-27 10:41:36.316725744 -0700
@@ -988,7 +988,7 @@
 {
     unsigned long flags    = 0;
     unsigned long received = 0;
-    unsigned long count    = 0;
+    unsigned long count    = 0, AmountToCopy = 0;
     int status = 0, i=0;
 	mem_buf_t *mb          = NULL;
 #if (ENABLE_MONO)
@@ -1011,16 +1011,18 @@
         spin_unlock_irqrestore(&card->lock,flags);
         return 0;
     }
-
+	
+	AmountToCopy = size;
     while((received < size) && (!nvstream->buf[nvstream->drain_index].in_use)) {
         mb = (mem_buf_t *) &nvstream->buf[nvstream->drain_index]; 
-		count = size < (nvstream->frag_size - mb->count) ? size : nvstream->frag_size - mb->count;
+		count = AmountToCopy < (nvstream->frag_size - mb->count) ? AmountToCopy : nvstream->frag_size - mb->count;
         
 		if(nvstream->Channels > 1) {
 			if(copy_to_user(mem,(u8*)mb->page + mb->count ,count)) {
 				break;
 			}
 			mb->count += count;
+			AmountToCopy -= count;
 		}
 #if (ENABLE_MONO)
 		else {
@@ -1040,6 +1042,7 @@
 				
 			}
 			if(status) break;
+			AmountToCopy = ((size - received) << 1);
 		}
 #endif
         // once the buffer is copied add the buffer back if possible