[Xen-devel] [PATCH for-4.7] xl: use xstrdup in cpurange_parse

[Wei Liu <wei.liu2@xxxxxxxxxx>]

This ensures buf is always valid when it is passed to strtok_r.

CID: 1291936

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

This is a backport candidate.
---
 tools/libxl/xl_cmdimpl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 03ab644..d8530f0 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -847,7 +847,7 @@ static int update_cpumap_range(const char *str, 
libxl_bitmap *cpumap)
  */
 static int cpurange_parse(const char *cpu, libxl_bitmap *cpumap)
 {
-    char *ptr, *saveptr = NULL, *buf = strdup(cpu);
+    char *ptr, *saveptr = NULL, *buf = xstrdup(cpu);
     int rc = 0;
 
     for (ptr = strtok_r(buf, ",", &saveptr); ptr;
-- 
2.1.4


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel