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xen-9pfs: Fix log messages of reply errors 

If delivery of some 9pfs response fails for some reason, log the
error message by mentioning the 9P protocol reply type, not by
client's request type. The latter could be misleading that the
error occurred already when handling the request input.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Message-Id: <ad0e5a9b6abde52502aa40b30661d29aebe1590a.1589132512.git.qemu_oss@crudebyte.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
master
Christian Schoenebeck 2020-05-14 08:06:43 +02:00 committed by Greg Kurz
parent a5804fcf7b
commit 9bbb7e0fe0
1 changed files with 5 additions and 4 deletions
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9
hw/9pfs/xen-9p-backend.c
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@ -137,7 +137,8 @@ static ssize_t xen_9pfs_pdu_vmarshal(V9fsPDU *pdu,
ret = v9fs_iov_vmarshal(in_sg, num, offset, 0, fmt, ap);
if (ret < 0) {
xen_pv_printf(&xen_9pfs->xendev, 0,
"Failed to encode VirtFS request type %d\n", pdu->id + 1);
"Failed to encode VirtFS reply type %d\n",
pdu->id + 1);
xen_be_set_state(&xen_9pfs->xendev, XenbusStateClosing);
xen_9pfs_disconnect(&xen_9pfs->xendev);
}
@ -201,9 +202,9 @@ static void xen_9pfs_init_in_iov_from_pdu(V9fsPDU *pdu,
buf_size = iov_size(ring->sg, num);
if (buf_size < P9_IOHDRSZ) {
xen_pv_printf(&xen_9pfs->xendev, 0, "Xen 9pfs request type %d"
"needs %zu bytes, buffer has %zu, less than minimum\n",
pdu->id, *size, buf_size);
xen_pv_printf(&xen_9pfs->xendev, 0, "Xen 9pfs reply type %d needs "
"%zu bytes, buffer has %zu, less than minimum\n",
pdu->id + 1, *size, buf_size);
xen_be_set_state(&xen_9pfs->xendev, XenbusStateClosing);
xen_9pfs_disconnect(&xen_9pfs->xendev);
}