From a5436ade11545ec8b62879d2b9a46a5238dd6722 Mon Sep 17 00:00:00 2001
From: Sapan Bhatia <gwsapan@gmail.com>
Date: Mon, 19 Aug 2013 12:02:10 -0400
Subject: [PATCH] Packaging up recent changes to work around kernel bug

---
 Makefile            |  3 +++
 procprotect.c       | 11 ++++++-----
 procprotect.init    |  8 ++++++++
 procprotect.service |  2 +-
 4 files changed, 18 insertions(+), 6 deletions(-)
 create mode 100755 procprotect.init

diff --git a/Makefile b/Makefile
index 9703598..97aa044 100644
--- a/Makefile
+++ b/Makefile
@@ -18,4 +18,7 @@ clean:
 
 install:
 	install -D -m 755 procprotect.ko /lib/modules/$(KVER)/net/procprotect/procprotect.ko
+	mkdir -p /etc/modules-load.d
+	install -m 644 procprotect.conf /etc/modules-load.d/procprotect.conf
 	install -m 644 procprotect.service /usr/lib/systemd/system/procprotect.service
+	install -m 755 procprotect.init /usr/sbin/procprotect.init
diff --git a/procprotect.c b/procprotect.c
index 42166f5..f8ab6e6 100644
--- a/procprotect.c
+++ b/procprotect.c
@@ -293,11 +293,6 @@ static void add_entry(char *pathname) {
         }
     }
 
-	if (!once_only) {
-		once_only=1;
-		if (init_probes()==-1)
-			printk(KERN_CRIT "Could not install procprotect probes. Reload module to retry.");
-	}
 }
 
 
@@ -339,6 +334,12 @@ int procfile_write(struct file *file, const char *buffer, unsigned long count, v
         pathname[count]='\0';
 
     add_entry(pathname);	
+		
+	if (!once_only) {
+		once_only=1;
+		if (init_probes()==-1)
+			printk(KERN_CRIT "Could not install procprotect probes. Reload module to retry.");
+	}
     printk(KERN_CRIT "Length of buffer=%d",strlen(pathname));
     return count;
 }
diff --git a/procprotect.init b/procprotect.init
new file mode 100755
index 0000000..06119ca
--- /dev/null
+++ b/procprotect.init
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ ! -f /proc/procprotect ]; then 
+	echo "Transforward kernel module not loaded"
+else
+	echo "sysrq-trigger" > /proc/procprotect
+fi
+
diff --git a/procprotect.service b/procprotect.service
index b5e410e..54fa73d 100644
--- a/procprotect.service
+++ b/procprotect.service
@@ -4,7 +4,7 @@ After=syslog.target network.target
 
 [Service]
 Type=forking
-ExecStart=/sbin/modprobe procprotect
+ExecStart=/usr/sbin/procprotect.init
 ControlGroup=cpu:/
 
 [Install]
-- 
2.43.0