Commit 7874b919 authored by Zhouyang Jia's avatar Zhouyang Jia Committed by Alexandre Belloni

rtc: bq4802: add error handling for devm_ioremap

When devm_ioremap fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling devm_ioremap.
Signed-off-by: default avatarZhouyang Jia <>
Signed-off-by: default avatarAlexandre Belloni <>
parent a41efe03
......@@ -162,6 +162,10 @@ static int bq4802_probe(struct platform_device *pdev)
} else if (p->r->flags & IORESOURCE_MEM) {
p->regs = devm_ioremap(&pdev->dev, p->r->start,
if (!p->regs){
err = -ENOMEM;
goto out;
p->read = bq4802_read_mem;
p->write = bq4802_write_mem;
} else {
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