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qemu/0039-ide-fix-cmd_write_pio-when-nsectors.patch
2015-03-21 11:46:36 +00:00

39 lines
1.3 KiB
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From 7d51103f2e1a7ec7fe0623cc115f450d57f442b4 Mon Sep 17 00:00:00 2001
From: John Snow <jsnow@redhat.com>
Date: Thu, 19 Mar 2015 20:24:13 -0400
Subject: [PATCH] ide: fix cmd_write_pio when nsectors > 1
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We need to adjust the sector being written to
prior to calling ide_transfer_start, otherwise
we'll write to the same sector again.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
hw/ide/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/ide/core.c b/hw/ide/core.c
index ef52f35..0e9da64 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -846,6 +846,7 @@ static void ide_sector_write_cb(void *opaque, int ret)
s->nsector -= n;
s->io_buffer_offset += 512 * n;
+ ide_set_sector(s, ide_get_sector(s) + n);
if (s->nsector == 0) {
/* no more sectors to write */
ide_transfer_stop(s);
@@ -857,7 +858,6 @@ static void ide_sector_write_cb(void *opaque, int ret)
ide_transfer_start(s, s->io_buffer, n1 * BDRV_SECTOR_SIZE,
ide_sector_write);
}
- ide_set_sector(s, ide_get_sector(s) + n);
if (win2k_install_hack && ((++s->irq_count % 16) == 0)) {
/* It seems there is a bug in the Windows 2000 installer HDD