Pull ec into release branch

[pandora-kernel.git] / drivers / oprofile / oprofilefs.c

diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 6e67b42..8543cb2 100644 (file)
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -65,6 +65,7 @@ ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user * buf, size_t co
 int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, size_t count)
 {
        char tmpbuf[TMPBUFSIZE];
+       unsigned long flags;
 
        if (!count)
                return 0;
@@ -77,9 +78,9 @@ int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, siz
        if (copy_from_user(tmpbuf, buf, count))
                return -EFAULT;
 
-       spin_lock(&oprofilefs_lock);
+       spin_lock_irqsave(&oprofilefs_lock, flags);
        *val = simple_strtoul(tmpbuf, NULL, 0);
-       spin_unlock(&oprofilefs_lock);
+       spin_unlock_irqrestore(&oprofilefs_lock, flags);
        return 0;
 }