irqchip/qcom: Fix error handling
'devm_ioremap()' returns NULL on error, not an error pointer.
Fixes: f20cc9b00c7b ("irqchip/qcom: Add IRQ combiner driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: marc.zyngier@arm.com
Cc: kernel-janitors@vger.kernel.org
Cc: jason@lakedaemon.net
Link: http://lkml.kernel.org/r/20170218083434.2289-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/irqchip/qcom-irq-combiner.c b/drivers/irqchip/qcom-irq-combiner.c
index 03251da..2265586 100644
--- a/drivers/irqchip/qcom-irq-combiner.c
+++ b/drivers/irqchip/qcom-irq-combiner.c
@@ -202,9 +202,9 @@ static acpi_status get_registers_cb(struct acpi_resource *ares, void *context)
}
vaddr = devm_ioremap(ctx->dev, reg->address, REG_SIZE);
- if (IS_ERR(vaddr)) {
+ if (!vaddr) {
dev_err(ctx->dev, "Can't map register @%pa\n", &paddr);
- ctx->err = PTR_ERR(vaddr);
+ ctx->err = -ENOMEM;
return AE_ERROR;
}