summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorDan Carpenter <dan.carpenter@oracle.com>2018-10-13 13:22:46 +0300
committerThomas Gleixner <tglx@linutronix.de>2018-11-01 12:38:48 +0100
commit3424243e39e8ec138486926949e3668e7553125d (patch)
tree0c435c45e46dc74abf59017e1e9e08fe8075835d /drivers
parent57f01796f14fecf00d330fe39c8d2477ced9cd79 (diff)
irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function
The devm_ioremap_resource() function never returns NULL, it returns error pointers. Fixes: 61ce8d8d8a81 ("irqchip/irq-mvebu-sei: Add new driver for Marvell SEI") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Gregory Clement <gregory.clement@bootlin.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: kernel-janitors@vger.kernel.org Link: https://lkml.kernel.org/r/20181013102246.GD16086@mwanda
Diffstat (limited to 'drivers')
-rw-r--r--drivers/irqchip/irq-mvebu-sei.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-mvebu-sei.c b/drivers/irqchip/irq-mvebu-sei.c
index 566d69a2edbc..add4c9c934c8 100644
--- a/drivers/irqchip/irq-mvebu-sei.c
+++ b/drivers/irqchip/irq-mvebu-sei.c
@@ -384,9 +384,9 @@ static int mvebu_sei_probe(struct platform_device *pdev)
sei->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sei->base = devm_ioremap_resource(sei->dev, sei->res);
- if (!sei->base) {
+ if (IS_ERR(sei->base)) {
dev_err(sei->dev, "Failed to remap SEI resource\n");
- return -ENODEV;
+ return PTR_ERR(sei->base);
}
/* Retrieve the SEI capabilities with the interrupt ranges */