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-rw-r--r--net/irda/irnet/irnet_ppp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 7c22c126f0e..6b3602de359 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -698,9 +698,11 @@ dev_irnet_ioctl(
/* Query PPP channel and unit number */
case PPPIOCGCHAN:
+ lock_kernel();
if(ap->ppp_open && !put_user(ppp_channel_index(&ap->chan),
(int __user *)argp))
err = 0;
+ unlock_kernel();
break;
case PPPIOCGUNIT:
lock_kernel();