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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-08-14 17:41:47 +1000
committerAnthony Liguori <aliguori@us.ibm.com>2012-08-16 13:41:16 -0500
commitbc9b78debf63c9be051abe51403736d386092d09 (patch)
treef2cb42a1327b926b9fde51a840d58dbbc840fd99 /dma-helpers.c
parentddb97f1debbb6be8d871f3b565f7b8befebf0f4f (diff)
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>
Diffstat (limited to 'dma-helpers.c')
-rw-r--r--dma-helpers.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/dma-helpers.c b/dma-helpers.c
index 13593d1b42..433d8b21b3 100644
--- 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;
}
}