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authorFabio Estevam <fabio.estevam@freescale.com>2015-01-14 14:39:08 -0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-02 10:11:25 -0800
commit99c932c26d61f2c225f8f8e00dbea404646b9166 (patch)
treeb3046a8555ebc0393801d4b3c341996217d77be5 /drivers/tty
parent6960cd465e553c8c0f9c26663b32bf3f3cd6a298 (diff)
serial: mxs-auart: Check for platform_get_irq() error
We should check whether platform_get_irq() failed, and in the case of error this needs to be propagated. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/mxs-auart.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 767fddaa7576..b54b6a2a5774 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1265,6 +1265,9 @@ static int mxs_auart_probe(struct platform_device *pdev)
s->mctrl_prev = 0;
irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;
+
s->port.irq = irq;
ret = devm_request_irq(&pdev->dev, irq, mxs_auart_irq_handle, 0,
dev_name(&pdev->dev), s);