[PATCH 6/9] libxl: localtime(3) can return NULL

From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>
Subject: [PATCH 6/9] libxl: localtime(3) can return NULL
Date: Fri, 10 Jul 2015 19:00:54 +0100	[thread overview]
Message-ID: <1436551257-28887-7-git-send-email-wei.liu2@citrix.com> (raw)
In-Reply-To: <1436551257-28887-1-git-send-email-wei.liu2@citrix.com>

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
 tools/libxl/libxl_x86.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/libxl/libxl_x86.c b/tools/libxl/libxl_x86.c
index 8cd15ca..6be9b1b 100644
--- a/tools/libxl/libxl_x86.c
+++ b/tools/libxl/libxl_x86.c
@@ -311,6 +311,11 @@ int libxl__arch_domain_create(libxl__gc *gc, libxl_domain_config *d_config,
         t = time(NULL);
         tm = localtime(&t);
 
+        if (!tm) {
+            ret = ERROR_FAIL;
+            goto out;
+        }
+
         rtc_timeoffset += tm->tm_gmtoff;
     }
 
@@ -335,6 +340,7 @@ int libxl__arch_domain_create(libxl__gc *gc, libxl_domain_config *d_config,
         }
     }
 
+out:
     return ret;
 }
 
-- 
1.9.1
