From: Ivan Safonov <insafonov@gmail.com>
Date: Tue, 27 Oct 2015 15:15:31 +0000 (+0700)
Subject: staging: rtl8188eu: clamp kernel macro used in proc_get_rx_signal
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66eaaf4d0dee6fefb8b1b9a67e3228be4ec41052;p=linux-beck.git

staging: rtl8188eu: clamp kernel macro used in proc_get_rx_signal

To limit the range of integers there is clamp macro.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rtl8188eu/core/rtw_debug.c b/drivers/staging/rtl8188eu/core/rtw_debug.c
index 993c7db87a1a..2c4afb80fc64 100644
--- a/drivers/staging/rtl8188eu/core/rtw_debug.c
+++ b/drivers/staging/rtl8188eu/core/rtw_debug.c
@@ -594,8 +594,7 @@ int proc_set_rx_signal(struct file *file, const char __user *buffer,
 		if (is_signal_dbg && num != 2)
 			return count;
 
-		signal_strength = signal_strength > 100 ? 100 : signal_strength;
-		signal_strength = signal_strength < 0 ? 0 : signal_strength;
+		signal_strength = clamp(signal_strength, 0, 100);
 
 		padapter->recvpriv.is_signal_dbg = is_signal_dbg;
 		padapter->recvpriv.signal_strength_dbg = signal_strength;