From 7a241b6b522d9201ec55a1ef2d7f1217aae10d2e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 8 Nov 2017 21:01:02 +0800
Subject: [PATCH] slipif: Fix unbalance SYS_ARCH_PROTECT in
 slipif_process_rxqueue()

Fixes: 3d1a306518a5 ("SLIP netif: add support for multiple input strategies (threaded, polling, RX from ISR)")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 src/netif/slipif.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/netif/slipif.c b/src/netif/slipif.c
index 99da5184..689877e8 100644
--- a/src/netif/slipif.c
+++ b/src/netif/slipif.c
@@ -471,6 +471,7 @@ slipif_process_rxqueue(struct netif *netif)
     }
     SYS_ARCH_PROTECT(old_level);
   }
+  SYS_ARCH_UNPROTECT(old_level);
 }
 
 /** Like slipif_rxbyte, but queues completed packets.