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authorAxel Lin <axel.lin@ingics.com>2015-05-21 14:57:34 (GMT)
committerThomas Gleixner <tglx@linutronix.de>2015-05-22 09:06:47 (GMT)
commite1a96fb861b0781c8ef66a76d0fc6fb6f628f84c (patch)
treeae82549fb97cae1a908d3993432ecedf2602283f /drivers/irqchip
parenta6c761e44cfdeffc31785c698aa04d310e7cd686 (diff)
downloadlinux-e1a96fb861b0781c8ef66a76d0fc6fb6f628f84c.tar.xz
irqchip: mtk-sysirq: Make mtk_sysirq_of_init return error if ioremap fails
PTR_ERR(NULL) returns 0 so current code returns 0 if ioremap fails, fix it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Cc: Yingjoe Chen <yingjoe.chen@mediatek.com> Cc: linux-mediatek@lists.infradead.org <linux-mediatek@lists.infradead.org> Cc: Jason Cooper <jason@lakedaemon.net> Link: http://lkml.kernel.org/r/1432220254.29544.1.camel@ingics.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-mtk-sysirq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 04de2d4..15c1303 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -144,7 +144,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
chip_data->intpol_base = ioremap(res.start, size);
if (!chip_data->intpol_base) {
pr_err("mtk_sysirq: unable to map sysirq register\n");
- ret = PTR_ERR(chip_data->intpol_base);
+ ret = -ENXIO;
goto out_free;
}