X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fposix-timers.c;h=e885be1e8a1150bc144fb831ce52a675e2ae8af7;hb=f2547fe3bd47516904ec042f28b8e8d77ceec440;hp=4556182527f38fe88dba74dd753cec5ed0112785;hpb=fa514fbc57419505d0e9423dbb8742f2775f882e;p=pandora-kernel.git

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 4556182527f3..e885be1e8a11 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -46,7 +46,7 @@
 #include <linux/syscalls.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
-#include <linux/module.h>
+#include <linux/export.h>
 
 /*
  * Management arrays for POSIX timers.	 Timers are kept in slab memory
@@ -639,6 +639,13 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags)
 {
 	struct k_itimer *timr;
 
+	/*
+	 * timer_t could be any type >= int and we want to make sure any
+	 * @timer_id outside positive int range fails lookup.
+	 */
+	if ((unsigned long long)timer_id > INT_MAX)
+		return NULL;
+
 	rcu_read_lock();
 	timr = idr_find(&posix_timers_id, (int)timer_id);
 	if (timr) {