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 <benh@kernel.crashing.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Benjamin Herrenschmidt 2012-08-14 17:41:47 +10:00 committed by Anthony Liguori
parent ddb97f1deb
commit bc9b78debf

View file

@ -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;
}
}