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[qemu-xen staging-4.14] xen-9pfs: Fix log messages of reply errors



commit f56a86ad8d5954f21e1f11634a9df1f3d2856152
Author:     Christian Schoenebeck <qemu_oss@xxxxxxxxxxxxx>
AuthorDate: Thu May 14 08:06:43 2020 +0200
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Mon Aug 24 19:10:58 2020 -0500

    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@xxxxxxxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Message-Id: 
<ad0e5a9b6abde52502aa40b30661d29aebe1590a.1589132512.git.qemu_oss@xxxxxxxxxxxxx>
    Signed-off-by: Greg Kurz <groug@xxxxxxxx>
    (cherry picked from commit 9bbb7e0fe081efff2e41f8517c256b72a284fe9b)
    *prereq for cf45183b718
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 hw/9pfs/xen-9p-backend.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/hw/9pfs/xen-9p-backend.c b/hw/9pfs/xen-9p-backend.c
index 18fe5b7c92..f04caabfe5 100644
--- a/hw/9pfs/xen-9p-backend.c
+++ b/hw/9pfs/xen-9p-backend.c
@@ -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);
     }
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#staging-4.14



 


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