From: Matthew Daley Date: Sun, 29 Sep 2013 05:47:37 +0000 (+1300) Subject: libxl: correctly handle libxl_get_cpu_topology failure in libxl_{cpu, node}map_to_... X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~6220 X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22?a=commitdiff_plain;h=1e143e2ae8be3ba86c2e931a1ee8d91efca08f89;p=xen.git libxl: correctly handle libxl_get_cpu_topology failure in libxl_{cpu, node}map_to_{node, cpu}map Initialize nr_cpus to 0 so that if it is unchanged by a failing libxl_get_cpu_topology, libxl_cputopology_list_free still works OK afterward. Coverity-ID: 1055294 Coverity-ID: 1055295 Signed-off-by: Matthew Daley Acked-by: Dario Faggioli --- diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c index 4309e5e345..244725bd7f 100644 --- a/tools/libxl/libxl_utils.c +++ b/tools/libxl/libxl_utils.c @@ -650,7 +650,7 @@ int libxl_nodemap_to_cpumap(libxl_ctx *ctx, libxl_bitmap *cpumap) { libxl_cputopology *tinfo = NULL; - int nr_cpus, i, rc = 0; + int nr_cpus = 0, i, rc = 0; tinfo = libxl_get_cpu_topology(ctx, &nr_cpus); if (tinfo == NULL) { @@ -673,7 +673,7 @@ int libxl_cpumap_to_nodemap(libxl_ctx *ctx, libxl_bitmap *nodemap) { libxl_cputopology *tinfo = NULL; - int nr_cpus, i, rc = 0; + int nr_cpus = 0, i, rc = 0; tinfo = libxl_get_cpu_topology(ctx, &nr_cpus); if (tinfo == NULL) {