[PATCH] mtd: maps: add missing iounmap() in error path

From	Luis Henriques <henrix@camandro.org>
Newsgroups	linux.kernel
Subject	[PATCH] mtd: maps: add missing iounmap() in error path
Date	2016-11-17 00:00 +0100
Message-ID	<sEhlo-Bi-23@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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This patch was triggered by the following Coccinelle error:

./drivers/mtd/maps/sc520cdp.c:246:3-9: \
	ERROR: missing iounmap; ioremap on line 242 \
	and execution via conditional on line 244

Signed-off-by: Luis Henriques <henrix@camandro.org>
---
 drivers/mtd/maps/sc520cdp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/maps/sc520cdp.c b/drivers/mtd/maps/sc520cdp.c
index 093edd51bdc7..7a27ed345d0d 100644
--- a/drivers/mtd/maps/sc520cdp.c
+++ b/drivers/mtd/maps/sc520cdp.c
@@ -243,6 +243,10 @@ static int __init init_sc520cdp(void)
 
 		if (!sc520cdp_map[i].virt) {
 			printk("Failed to ioremap_nocache\n");
+			if (i) {
+				while (--i)
+					iounmap(sc520cdp_map[i].virt);
+			}
 			return -EIO;
 		}

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[PATCH] mtd: maps: add missing iounmap() in error path Luis Henriques <henrix@camandro.org> - 2016-11-17 00:00 +0100
  Re: [PATCH] mtd: maps: add missing iounmap() in error path Marek Vasut <marek.vasut@gmail.com> - 2016-11-20 23:10 +0100
  Re: [PATCH] mtd: maps: add missing iounmap() in error path Brian Norris <computersforpeace@gmail.com> - 2016-11-22 20:30 +0100
    Re: [PATCH] mtd: maps: add missing iounmap() in error path Luis Henriques <henrix@camandro.org> - 2016-11-23 17:30 +0100
    [PATCH v2] mtd: maps: add missing iounmap() in error path Luis Henriques <henrix@camandro.org> - 2016-11-24 00:50 +0100

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