X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2Fkcmp.c;h=0aa69ea1d8fdcfa68046aa75b03c4373783a02fa;hb=ba0922adbd2ccffe444608298ae0506401eac4c3;hp=30b7b225306c6d425179cfcdf2beb249376a6cac;hpb=6df419e45d71b8d9a0de8e92a1212bbea460f0e0;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/kcmp.c b/kernel/kcmp.c
index 30b7b225306c..0aa69ea1d8fd 100644
--- a/kernel/kcmp.c
+++ b/kernel/kcmp.c
@@ -4,6 +4,7 @@
 #include <linux/string.h>
 #include <linux/random.h>
 #include <linux/module.h>
+#include <linux/ptrace.h>
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/cache.h>
@@ -43,11 +44,12 @@ static long kptr_obfuscate(long v, int type)
  */
 static int kcmp_ptr(void *v1, void *v2, enum kcmp_type type)
 {
-	long ret;
+	long t1, t2;
 
-	ret = kptr_obfuscate((long)v1, type) - kptr_obfuscate((long)v2, type);
+	t1 = kptr_obfuscate((long)v1, type);
+	t2 = kptr_obfuscate((long)v2, type);
 
-	return (ret < 0) | ((ret > 0) << 1);
+	return (t1 < t2) | ((t1 > t2) << 1);
 }
 
 /* The caller must have pinned the task */