Patch "rtc: snvs: fix an incorrect check of return value" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

rtc: snvs: fix an incorrect check of return value

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
rtc-snvs-fix-an-incorrect-check-of-return-value.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Pan Bian <[email protected]>
Date: Sun, 23 Apr 2017 13:43:24 +0800
Subject: rtc: snvs: fix an incorrect check of return value

From: Pan Bian <[email protected]>

[ Upstream commit 758929005f06f954b7e1c87a1c9fdb44157b228f ]

Function devm_regmap_init_mmio() returns an ERR_PTR on error. However, in function snvs_rtc_probe() its return value is checked against NULL. This patch fixes it by checking the return value with IS_ERR().

---
 drivers/rtc/rtc-snvs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -257,7 +257,7 @@ static int snvs_rtc_probe(struct platfor
 		of_property_read_u32(pdev->dev.of_node, "offset", &data->offset);
 	}
 
-	if (!data->regmap) {
+	if (IS_ERR(data->regmap)) {
 		dev_err(&pdev->dev, "Can't find snvs syscon\n");
 		return -ENODEV;
 	}

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/cx25840-fix-unchecked-return-values.patch queue-4.9/usb-dwc3-keystone-check-return-value.patch queue-4.9/rtc-snvs-fix-an-incorrect-check-of-return-value.patch