fixed spinlocks

README.md

@@ -12,7 +12,7 @@ Make sure you're running a modern kernel version (4.x+, tested on 7.0.9) on an x
 1. Comment out `#define USE_ATOMICS` if you'd rather use spinlocks
 1. Run `sudo make install` to compile and load the module
 1. Run `sudo make test` to view the module's debugfs output via the included Scripts
-    or view raw output at `/sys/kernel/debug/syscall_counter`
+   or view raw output at `/sys/kernel/debug/syscall_counter`
 1. Run `echo 0 | sudo tee /sys/module/syscall_counter/parameters/enabled` to pause counting (`echo 1` to resume)
 
 ## Scripts

syscall_counter.c

@@ -153,9 +153,11 @@ static int syscall_counter_show(struct seq_file *m, void *v)
 #endif
 
 #ifndef USE_ATOMICS        
-        spin_lock_irqsav(&syscalls_lock);
+        unsigned long flags;
+
+        spin_lock_irqsave(&syscalls_lock, flags);
         unsigned long value = syscalls[id];
-        spin_unlock_irqrestore(&syscalls_lock);
+        spin_unlock_irqrestore(&syscalls_lock, flags);
 #else
         unsigned long value = atomic64_read(&syscalls[id]);
 #endif