From 3e02a06ae3dce2eb804bb4afadb7067c80d6c096 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Thu, 22 Apr 2010 11:46:32 +0200 Subject: [PATCH] wimax: wimax_msg_alloc() returns ERR_PTR not null wimax_msg_alloc() returns an ERR_PTR and not null. I changed it to test for ERR_PTR instead of null. I also added a check in front of the kfree() because kfree() can handle null but not ERR_PTR. Signed-off-by: Dan Carpenter --- drivers/net/wimax/i2400m/rx.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c index 66f968a..0004c68 100644 --- a/drivers/net/wimax/i2400m/rx.c +++ b/drivers/net/wimax/i2400m/rx.c @@ -300,17 +300,16 @@ void i2400m_rx_ctl_ack(struct i2400m *i2400m, d_printf(1, dev, "Huh? waiter for command reply cancelled\n"); goto error_waiter_cancelled; } - if (ack_skb == NULL) { + if (IS_ERR(ack_skb)) dev_err(dev, "CMD/GET/SET ack: cannot allocate SKB\n"); - i2400m->ack_skb = ERR_PTR(-ENOMEM); - } else - i2400m->ack_skb = ack_skb; + i2400m->ack_skb = ack_skb; spin_unlock_irqrestore(&i2400m->rx_lock, flags); complete(&i2400m->msg_completion); return; error_waiter_cancelled: - kfree_skb(ack_skb); + if (!IS_ERR(ack_skb)) + kfree_skb(ack_skb); error_no_waiter: spin_unlock_irqrestore(&i2400m->rx_lock, flags); return; -- 1.8.2.3