linux-kernel - [patch] dma/mic_x100_dma: IS_ERR() vs PTR

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Date:	Mon, 29 Feb 2016 12:51:07 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Sudeep Dutt <sudeep.dutt@...el.com>
Cc:	Ashutosh Dixit <ashutosh.dixit@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] dma/mic_x100_dma: IS_ERR() vs PTR_ERR() typo

This is harmless because the caller only cares about zero vs non-zero
but we should be returning PTR_ERR() here.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c
index 068e920..1502b24 100644
--- a/drivers/dma/mic_x100_dma.c
+++ b/drivers/dma/mic_x100_dma.c
@@ -483,7 +483,7 @@ static int mic_dma_setup_irq(struct mic_dma_chan *ch)
 			mic_dma_intr_handler, mic_dma_thread_fn,
 			"mic dma_channel", ch, ch->ch_num);
 	if (IS_ERR(ch->cookie))
-		return IS_ERR(ch->cookie);
+		return PTR_ERR(ch->cookie);
 	return 0;
 }