From: John Snow Date: Fri, 20 Mar 2015 00:24:14 +0000 (-0400) Subject: ide: fix cmd_read_pio when nsectors > 1 X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dd0bf7baab2201bd8f834be9eb87766662f50b19;p=qemu.git ide: fix cmd_read_pio when nsectors > 1 Similar to the cmd_write_pio fix, update the nsector count and ide sector before we invoke ide_transfer_start. Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi Tested-by: Andreas Färber Message-id: 1426811056-2202-3-git-send-email-jsnow@redhat.com --- diff --git a/hw/ide/core.c b/hw/ide/core.c index 0e9da648ea..a895fd86f6 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -587,14 +587,12 @@ static void ide_sector_read_cb(void *opaque, int ret) n = s->req_nb_sectors; } - /* Allow the guest to read the io_buffer */ - ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read); - - ide_set_irq(s->bus); - ide_set_sector(s, ide_get_sector(s) + n); s->nsector -= n; + /* Allow the guest to read the io_buffer */ + ide_transfer_start(s, s->io_buffer, n * BDRV_SECTOR_SIZE, ide_sector_read); s->io_buffer_offset += 512 * n; + ide_set_irq(s->bus); } static void ide_sector_read(IDEState *s)