Merge tag 'rtc-7.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linuxstable

Pull RTC fixes from Alexandre Belloni:
 "Mostly small issues found using AI. The efi change is to avoid a
  regression on some platforms

  Subsystem:
   - fix a possible information leak

  Drivers:
   - efi: restore alarm support with runtime capability probe"

* tag 'rtc-7.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: spear: initialize IRQ state before requesting alarm IRQ
  rtc: mpfs: fix unchecked devm_clk_get() error pointer in probe()
  rtc: ac100: Fix clock provider use-after-free on probe failure
  rtc: ac100: Assign .num before accessing .hws
  rtc: efi: restore alarm support with runtime capability probe
  rtc: dev: zero-initialize struct rtc_wkalrm to prevent information leak

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/rtc/rtc-mpfs.c b/drivers/rtc/rtc-mpfs.c
index ece6de4a6adb..60596b0ea9d8 100644
--- a/drivers/rtc/rtc-mpfs.c
+++ b/drivers/rtc/rtc-mpfs.c
@@ -256,8 +256,12 @@ static int mpfs_rtc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	clk = devm_clk_get(&pdev->dev, "rtcref");
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
+
 	/* prescaler hardware adds 1 to reg value */
-	prescaler = clk_get_rate(devm_clk_get(&pdev->dev, "rtcref")) - 1;
+	prescaler = clk_get_rate(clk) - 1;
 	if (prescaler > MAX_PRESCALER_COUNT) {
 		dev_dbg(&pdev->dev, "invalid prescaler %lu\n", prescaler);
 		return -EINVAL;