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author | Johan Hovold <johan@kernel.org> | 2016-11-16 17:31:30 +0000 |
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committer | Ben Hutchings <ben@decadent.org.uk> | 2017-03-16 02:26:27 +0000 |
commit | e50167ae9fd50c3188374aa257e60f3cc6f9ba40 (patch) | |
tree | 34c02daf3a3a7808961d0a75bbd7605a961d4f3d /drivers/bus | |
parent | 413bd41e9d8b99d6bd1d1370f7a44db318771fbc (diff) | |
download | linux-stable-e50167ae9fd50c3188374aa257e60f3cc6f9ba40.tar.gz linux-stable-e50167ae9fd50c3188374aa257e60f3cc6f9ba40.tar.bz2 linux-stable-e50167ae9fd50c3188374aa257e60f3cc6f9ba40.zip |
bus: vexpress-config: fix device reference leak
commit c090959b9dd8c87703e275079aa4b4a824ba3f8e upstream.
Make sure to drop the reference to the parent device taken by
class_find_device() after populating the bus.
Fixes: 3b9334ac835b ("mfd: vexpress: Convert custom func API to regmap")
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/bus')
-rw-r--r-- | drivers/bus/vexpress-config.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index a64763b6b5fd..a803e5d84baf 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -171,6 +171,7 @@ static int vexpress_config_populate(struct device_node *node) { struct device_node *bridge; struct device *parent; + int ret; bridge = of_parse_phandle(node, "arm,vexpress,config-bridge", 0); if (!bridge) @@ -181,7 +182,11 @@ static int vexpress_config_populate(struct device_node *node) if (WARN_ON(!parent)) return -ENODEV; - return of_platform_populate(node, NULL, NULL, parent); + ret = of_platform_populate(node, NULL, NULL, parent); + + put_device(parent); + + return ret; } static int __init vexpress_config_init(void) |