[PATCH 4.7 29/69] power: reset: hisi-reboot: Unmap region obtained by of_iomap
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2016-09-28 09:11:15
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4.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Arvind Yadav <redacted>
commit bae170efd6c42bf116f513a1dd07639d68fa71b9 upstream.
Free memory mapping, if probe is not successful.
Fixes: 4a9b37371822 ("power: reset: move hisilicon reboot code")
Signed-off-by: Arvind Yadav <redacted>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/power/reset/hisi-reboot.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/power/reset/hisi-reboot.c
+++ b/drivers/power/reset/hisi-reboot.c@@ -53,13 +53,16 @@ static int hisi_reboot_probe(struct plat if (of_property_read_u32(np, "reboot-offset", &reboot_offset) < 0) { pr_err("failed to find reboot-offset property\n"); + iounmap(base); return -EINVAL; } err = register_restart_handler(&hisi_restart_nb); - if (err) + if (err) { dev_err(&pdev->dev, "cannot register restart handler (err=%d)\n", err); + iounmap(base); + } return err; }