[Xen-devel] [PATCH for-4.10] libxl: handle NULL in libxl__enum_from_string

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Discovered by Coverity.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/libxl/libxl_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c
index 507ee56c7c..9433693e72 100644
--- a/tools/libxl/libxl_utils.c
+++ b/tools/libxl/libxl_utils.c
@@ -1017,7 +1017,7 @@ int libxl_get_max_nodes(libxl_ctx *ctx)
 int libxl__enum_from_string(const libxl_enum_string_table *t,
                             const char *s, int *e)
 {
-    if (!t) return ERROR_INVAL;
+    if (!t || !s) return ERROR_INVAL;
 
     for( ; t->s; t++) {
         if (!strcasecmp(t->s, s)) {
-- 
2.11.0


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