diff options
Diffstat (limited to 'drivers/net/ppp_generic.c')
| -rw-r--r-- | drivers/net/ppp_generic.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index c926bf0b190..6b1d7a8edf1 100644 --- 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. */ |