diff options
author | Wei Yongjun <[email protected]> | 2017-04-27 15:21:13 +0000 |
---|---|---|
committer | Thomas Gleixner <[email protected]> | 2017-04-30 11:21:16 +0200 |
commit | 216646e4d82e847791f0ba66c439dedd36cb119f (patch) | |
tree | 18ebe0f5c2cc5e2cda60951066adbddeae67c6b2 | |
parent | 8ada00a650ec7ec639fb72964f0e4eba928786f8 (diff) |
irqchip/mbigen: Fix return value check in mbigen_device_probe()
In case of error, the function devm_ioremap() returns NULL pointer
not ERR_PTR(). Use devm_ioremap_resource() instead of devm_ioremap()
to fix the IS_ERR() test issue.
Fixes: 76e1f77f9c26 ("irqchip/mbigen: Introduce mbigen_of_create_domain()")
Signed-off-by: Wei Yongjun <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Kefeng Wang <[email protected]>
Cc: Jason Cooper <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
-rw-r--r-- | drivers/irqchip/irq-mbigen.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index 061cdb8bde8b..d2306c821ebb 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -337,8 +337,7 @@ static int mbigen_device_probe(struct platform_device *pdev) mgn_chip->pdev = pdev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mgn_chip->base = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); + mgn_chip->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(mgn_chip->base)) return PTR_ERR(mgn_chip->base); |