UBUNTU: upstream stable to v4.14.156, v4.19.86

[mirror_ubuntu-bionic-kernel.git] / drivers / rtc / rtc-bq4802.c

diff --git a/drivers/rtc/rtc-bq4802.c b/drivers/rtc/rtc-bq4802.c
index bd170cb3361ce15e511a3a81f2ff1c06a5ed3bfe..5747a54cbd423e34c13e5f920ee7f8bce1cc2c50 100644 (file)
--- a/drivers/rtc/rtc-bq4802.c
+++ b/drivers/rtc/rtc-bq4802.c
@@ -164,6 +164,10 @@ 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 {