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

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 <jiazhouyang09@gmail.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent a41efe03

drivers/rtc/rtc-bq4802.c

+4 −0
Original line number Diff line number Diff line
@@ -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,

					resource_size(p->r));

		if (!p->regs){

			err = -ENOMEM;

			goto out;

		}

		p->read = bq4802_read_mem;

		p->write = bq4802_write_mem;

	} else {