Commit d667522f authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[ARM] dma: ensure that the single entry sg is properly initialized


Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8c56afcb
......@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/errno.h>
#include <linux/scatterlist.h>
#include <asm/dma.h>
......@@ -37,6 +38,9 @@ int __init isa_dma_add(unsigned int chan, dma_t *dma)
{
if (!dma->d_ops)
return -EINVAL;
sg_init_table(&dma->buf, 1);
if (dma_chan[chan])
return -EBUSY;
dma_chan[chan] = dma;
......
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