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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
1 changed files with 2 additions and 2 deletions
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4
dma-helpers.c
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@ -24,8 +24,8 @@ static void do_dma_memory_set(dma_addr_t addr, uint8_t c, dma_addr_t len)
while (len > 0) { while (len > 0) {
l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE; l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE;
cpu_physical_memory_rw(addr, fillbuf, l, true); cpu_physical_memory_rw(addr, fillbuf, l, true);
len -= len; len -= l;
addr += len; addr += l;
} }
} }