From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 17 Feb 2014 22:05:57 +0000 (-0300)
Subject: pata_imx: Propagate the real error code on platform_get_irq() failure
X-Git-Tag: v3.15-rc1~161^2~58
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=3ef9cc31ee39dea369e989de3f7f9e822cc8de62;p=linux.git

pata_imx: Propagate the real error code on platform_get_irq() failure

No need to return a 'fake' return value on platform_get_irq() failure.

Just return the error code itself instead.

Also, change the error condition to irq < 0, so that only negative values
are treated as errors.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index 50e2cf29721e..121c748314c3 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -100,8 +100,8 @@ static int pata_imx_probe(struct platform_device *pdev)
 	int ret;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0)
-		return -EINVAL;
+	if (irq < 0)
+		return irq;
 
 	priv = devm_kzalloc(&pdev->dev,
 				sizeof(struct pata_imx_priv), GFP_KERNEL);