From 50fb47ae4d812d5eabc57539701dc0fd6404495e Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Mon, 8 Oct 2012 21:20:48 +0000 Subject: farsync: fix support for over 30 cards We're trying to fill a 64 bit bitmap but only the lower 30 shifts work because the shift wraps around. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/wan/farsync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wan') diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 1a623183cbe5..b6271325f803 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -597,7 +597,7 @@ fst_q_work_item(u64 * queue, int card_index) * bottom half for the card. Note the limitation of 64 cards. * That ought to be enough */ - mask = 1 << card_index; + mask = (u64)1 << card_index; *queue |= mask; spin_unlock_irqrestore(&fst_work_q_lock, flags); } -- cgit v1.2.3