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[xen staging] libxc: correct bounce direction in xc_get_device_group()



commit 22592f1c5e789e4606f0a6fb88e5f1244a8384c9
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri Dec 10 10:25:12 2021 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Dec 10 10:25:12 2021 +0100

    libxc: correct bounce direction in xc_get_device_group()
    
    The array of IDs is an output.
    
    Fixes: 79647c5bc9c6 ("libxc: convert domctl interfaces over to hypercall 
buffers")
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/libs/ctrl/xc_domain.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/libs/ctrl/xc_domain.c b/tools/libs/ctrl/xc_domain.c
index b155d6afd2..20b86d986c 100644
--- a/tools/libs/ctrl/xc_domain.c
+++ b/tools/libs/ctrl/xc_domain.c
@@ -1546,7 +1546,8 @@ int xc_get_device_group(
 {
     int rc;
     DECLARE_DOMCTL;
-    DECLARE_HYPERCALL_BOUNCE(sdev_array, max_sdevs * sizeof(*sdev_array), 
XC_HYPERCALL_BUFFER_BOUNCE_IN);
+    DECLARE_HYPERCALL_BOUNCE(sdev_array, max_sdevs * sizeof(*sdev_array),
+                             XC_HYPERCALL_BUFFER_BOUNCE_OUT);
 
     if ( xc_hypercall_bounce_pre(xch, sdev_array) )
     {
--
generated by git-patchbot for /home/xen/git/xen.git#staging



 


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