ipc: initialize structure memory to zero for compat functions

[sfrench/cifs-2.6.git] / ipc / compat_mq.c

diff --git a/ipc/compat_mq.c b/ipc/compat_mq.c
index d8d1e9ff4e8869ba1c9ebe6300f37dec6c62e89b..380ea4fe08e7151c71c64a39eac8a9e92a2ea7ee 100644 (file)
--- a/ipc/compat_mq.c
+++ b/ipc/compat_mq.c
@@ -53,6 +53,9 @@ asmlinkage long compat_sys_mq_open(const char __user *u_name,
        void __user *p = NULL;
        if (u_attr && oflag & O_CREAT) {
                struct mq_attr attr;
+
+               memset(&attr, 0, sizeof(attr));
+
                p = compat_alloc_user_space(sizeof(attr));
                if (get_compat_mq_attr(&attr, u_attr) ||
                    copy_to_user(p, &attr, sizeof(attr)))
@@ -127,6 +130,8 @@ asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
        struct mq_attr __user *p = compat_alloc_user_space(2 * sizeof(*p));
        long ret;
 
+       memset(&mqstat, 0, sizeof(mqstat));
+
        if (u_mqstat) {
                if (get_compat_mq_attr(&mqstat, u_mqstat) ||
                    copy_to_user(p, &mqstat, sizeof(mqstat)))