Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

[karo-tx-linux.git] / drivers / net / ppp_generic.c

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index c926bf0b190efd6d9abe3cba36a477102731f4f8..6b1d7a8edf1554aeff5680fd4f467f2444dce498 100644 (file)
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -39,6 +39,7 @@
 #include <linux/if_arp.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
 #include <linux/stddef.h>
@@ -353,6 +354,7 @@ static const int npindex_to_ethertype[NUM_NP] = {
  */
 static int ppp_open(struct inode *inode, struct file *file)
 {
+       cycle_kernel_lock();
        /*
         * This could (should?) be enforced by the permissions on /dev/ppp.
         */