haraldwolff/qemu-patch-raspberry4
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ide: also reset io_buffer_index for writes

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Currenly the code only resets the io_buffer_index field for reads,
but the code seems to expect this for all types of I/O.  I guess
we simply don't hit large enough transfers that would require this
often enough.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Christoph Hellwig 2010-12-20 13:45:58 +01:00 committed by Kevin Wolf
parent cd369c4634
commit 596bb44dea
1 changed files with 1 additions and 2 deletions
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3
hw/ide/core.c
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@ -521,8 +521,7 @@ void ide_dma_cb(void *opaque, int ret)
/* launch next transfer */
n = s->nsector;
if (s->is_read)
s->io_buffer_index = 0;
s->io_buffer_index = 0;
s->io_buffer_size = n * 512;
if (s->bus->dma->ops->prepare_buf(s->bus->dma, s->is_read) == 0)
goto eot;