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authorFlorian Fainelli <f.fainelli@gmail.com>2016-04-25 16:08:09 -0700
committerArnd Bergmann <arnd@arndb.de>2016-04-26 01:13:54 +0200
commit8d3fd357a28e420b1e154daf1cabdaa103911c08 (patch)
tree666936a84652323e1569bf3af26e0aff4c10d2f0 /drivers
parentd3829c1b8443a83324419eb129c7e4c780bf435f (diff)
downloadblackbird-obmc-linux-8d3fd357a28e420b1e154daf1cabdaa103911c08.tar.gz
blackbird-obmc-linux-8d3fd357a28e420b1e154daf1cabdaa103911c08.zip
soc: brcmstb: Unmap sun_top_ctrl_base on errors
Do not leak a ioremap()'d cookie around, unmaping it in case of errors Fixes: cef4bafcea2c ("soc: brcmstb: add SoC driver to brcmstb") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/soc/brcmstb/common.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/soc/brcmstb/common.c b/drivers/soc/brcmstb/common.c
index daf86acf9d01..94e7335553f4 100644
--- a/drivers/soc/brcmstb/common.c
+++ b/drivers/soc/brcmstb/common.c
@@ -51,6 +51,7 @@ static int __init brcmstb_soc_device_init(void)
struct soc_device *soc_dev;
struct device_node *sun_top_ctrl;
void __iomem *sun_top_ctrl_base;
+ int ret = 0;
sun_top_ctrl = of_find_matching_node(NULL, sun_top_ctrl_match);
if (!sun_top_ctrl)
@@ -64,8 +65,10 @@ static int __init brcmstb_soc_device_init(void)
product_id = readl(sun_top_ctrl_base + 0x4);
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
- if (!soc_dev_attr)
- return -ENOMEM;
+ if (!soc_dev_attr) {
+ ret = -ENOMEM;
+ goto out;
+ }
soc_dev_attr->family = kasprintf(GFP_KERNEL, "%x",
family_id >> 28 ?
@@ -83,9 +86,14 @@ static int __init brcmstb_soc_device_init(void)
kfree(soc_dev_attr->soc_id);
kfree(soc_dev_attr->revision);
kfree(soc_dev_attr);
- return -ENODEV;
+ ret = -ENODEV;
+ goto out;
}
return 0;
+
+out:
+ iounmap(sun_top_ctrl_base);
+ return ret;
}
arch_initcall(brcmstb_soc_device_init);
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