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-rw-r--r--net/atm/lec.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 1e1f3eb0e2ba..afb8d3eb2185 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -909,7 +909,6 @@ static void *lec_itf_walk(struct lec_state *state, loff_t *l)
v = (dev && netdev_priv(dev)) ?
lec_priv_walk(state, l, netdev_priv(dev)) : NULL;
if (!v && dev) {
- dev_put(dev);
/* Partial state reset for the next time we get called */
dev = NULL;
}
@@ -933,6 +932,7 @@ static void *lec_seq_start(struct seq_file *seq, loff_t *pos)
{
struct lec_state *state = seq->private;
+ mutex_lock(&lec_mutex);
state->itf = 0;
state->dev = NULL;
state->locked = NULL;
@@ -950,8 +950,9 @@ static void lec_seq_stop(struct seq_file *seq, void *v)
if (state->dev) {
spin_unlock_irqrestore(&state->locked->lec_arp_lock,
state->flags);
- dev_put(state->dev);
+ state->dev = NULL;
}
+ mutex_unlock(&lec_mutex);
}
static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos)