[Xen-devel] [PATCH v2] libxl: check return value of libxl_vcpu_setaffinity

[Wei Liu <wei.liu2@xxxxxxxxxx>]

That function can fail.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Cc: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
---
v2: add missing `}'.
---
 tools/libxl/libxl_dom.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c
index a88db69..8021ca6 100644
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -468,8 +468,13 @@ static int set_vnuma_affinity(libxl__gc *gc, uint32_t 
domid,
             goto out;
         }
 
-        libxl_for_each_set_bit(j, v->vcpus)
-            libxl_set_vcpuaffinity(CTX, domid, j, NULL, &cpumap);
+        libxl_for_each_set_bit(j, v->vcpus) {
+            rc = libxl_set_vcpuaffinity(CTX, domid, j, NULL, &cpumap);
+            if (rc) {
+                LOG(ERROR, "Can't set cpu affinity for %d", j);
+                goto out;
+            }
+        }
     }
 
 out:
-- 
1.9.1


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