devm_ioremap() returns NULL, it never returns an ERR_PTR.
Fixes: f700e84f417b ('mailbox: Add support for APM X-Gene platform mailbox driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mb_base = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
- if (IS_ERR(mb_base))
- return PTR_ERR(mb_base);
+ if (!mb_base)
+ return -ENOMEM;
/* Setup mailbox links */
for (i = 0; i < MBOX_CNT; i++) {