dma: Fix stupid typo/thinko

Hi hard a brain fart when coding that function, it will fail to "set" the memory beyond the first 512 bytes. This is in turn causing guest crashes in ibmveth (spapr_llan.c on the qemu side) due to the receive queue not being properly initialized. Signed-off-by: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Anthony Liguori <[email protected]>
0x3h · Aug 16, 2012 · bc9b78d · bc9b78d
1 parent ddb97f1
commit bc9b78d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/dma-helpers.c b/dma-helpers.c
@@ -24,8 +24,8 @@ static void do_dma_memory_set(dma_addr_t addr, uint8_t c, dma_addr_t len)
     while (len > 0) {
         l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE;
         cpu_physical_memory_rw(addr, fillbuf, l, true);
-        len -= len;
-        addr += len;
+        len -= l;
+        addr += l;
     }
 }