Commit e1a96fb8 authored by Axel Lin's avatar Axel Lin Committed by Thomas Gleixner

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: default avatarAxel Lin <axel.lin@ingics.com>
Reviewed-by: default avatarMatthias 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.comSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent a6c761e4
...@@ -144,7 +144,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node, ...@@ -144,7 +144,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
chip_data->intpol_base = ioremap(res.start, size); chip_data->intpol_base = ioremap(res.start, size);
if (!chip_data->intpol_base) { if (!chip_data->intpol_base) {
pr_err("mtk_sysirq: unable to map sysirq register\n"); pr_err("mtk_sysirq: unable to map sysirq register\n");
ret = PTR_ERR(chip_data->intpol_base); ret = -ENXIO;
goto out_free; goto out_free;
} }
......
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