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[Xen-devel] [PATCH v2 4/6] libxc: allow for ctxt to be NULL in xc_vcpu_setcontext



Since, as can be seen in xen/common/domctl.c, that is legitimate
(it results in Xen calling vcpu_reset() on the vcpu).

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
Changes from v1:
 * clarified the changelog.
---
 tools/libxc/xc_domain.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c
index c0ce079..3210e34 100644
--- a/tools/libxc/xc_domain.c
+++ b/tools/libxc/xc_domain.c
@@ -1141,12 +1141,6 @@ int xc_vcpu_setcontext(xc_interface *xch,
     DECLARE_HYPERCALL_BOUNCE(ctxt, sizeof(vcpu_guest_context_any_t), 
XC_HYPERCALL_BUFFER_BOUNCE_IN);
     int rc;
 
-    if (ctxt == NULL)
-    {
-        errno = EINVAL;
-        return -1;
-    }
-
     if ( xc_hypercall_bounce_pre(xch, ctxt) )
         return -1;
 


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