[PATCH] kernel: arg2 is unsigned long which is never < 0

[Chen Gang]

  arg2 will never < 0, for its type is 'unsigned long'

  so delete the waste code.


Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 kernel/sys.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sys.c b/kernel/sys.c
index 24d1ef5..568b9ca 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2027,7 +2027,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
 			error = get_dumpable(me->mm);
 			break;
 		case PR_SET_DUMPABLE:
-			if (arg2 < 0 || arg2 > 1) {
+			if (arg2 > 1) {
 				error = -EINVAL;
 				break;
 			}
-- 
1.7.7.6
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