libxl/vcpuset: Print error if libxl_set_vcpuonline returns ERROR_DOMAIN_NOTFOUND

Instead of just printing an generic error.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 1c07ac6fd00d8bccf62a3e4f7bc93f2b211bdde2..0ccf2578304873d8a475abe2c8da63fae1e55645 100644 (file)
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -5223,6 +5223,7 @@ static void vcpuset(uint32_t domid, const char* nr_vcpus, int check_host)
     char *endptr;
     unsigned int max_vcpus, i;
     libxl_bitmap cpumap;
+    int rc;
 
     libxl_bitmap_init(&cpumap);
     max_vcpus = strtoul(nr_vcpus, &endptr, 10);
@@ -5253,8 +5254,12 @@ static void vcpuset(uint32_t domid, const char* nr_vcpus, int check_host)
     for (i = 0; i < max_vcpus; i++)
         libxl_bitmap_set(&cpumap, i);
 
-    if (libxl_set_vcpuonline(ctx, domid, &cpumap) < 0)
-        fprintf(stderr, "libxl_set_vcpuonline failed domid=%d max_vcpus=%d\n", domid, max_vcpus);
+    rc = libxl_set_vcpuonline(ctx, domid, &cpumap);
+    if (rc == ERROR_DOMAIN_NOTFOUND)
+        fprintf(stderr, "Domain %u does not exist.\n", domid);
+    else if (rc)
+        fprintf(stderr, "libxl_set_vcpuonline failed domid=%d max_vcpus=%d," \
+                " rc: %d\n", domid, max_vcpus, rc);
 
     libxl_bitmap_dispose(&cpumap);
 }