[PATCH v9 1/3] libxc: Report EINVAL in invalid xc_resource_op use

["Teddy Astie" <teddy.astie@xxxxxxxxxx>]

xc_report_op doesn't update errno when called with 0 operations
(even though it returns -1).

Signed-off-by: Teddy Astie <teddy.astie@xxxxxxxxxx>
---
 tools/libs/ctrl/xc_resource.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/libs/ctrl/xc_resource.c b/tools/libs/ctrl/xc_resource.c
index cb6a97202b..f65127f91c 100644
--- a/tools/libs/ctrl/xc_resource.c
+++ b/tools/libs/ctrl/xc_resource.c
@@ -137,6 +137,7 @@ int xc_resource_op(xc_interface *xch, uint32_t nr_ops, 
xc_resource_op_t *ops)
     if ( nr_ops > 1 )
         return xc_resource_op_multi(xch, nr_ops, ops);
 
+    errno = EINVAL;
     return -1;
 }
 
-- 
2.53.0



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