[PATCH 3.16 235/306] mfd: core: Fix device reference leak in mfd_clone_cell

Ben Hutchings
2017-02-15T23:11:19Z

From: Johan Hovold <johan@kernel.org>

commit 722f191080de641f023feaa7d5648caf377844f5 upstream.

Make sure to drop the reference taken by bus_find_device_by_name()
before returning from mfd_clone_cell().

Fixes: a9bbba996302 ("mfd: add platform_device sharing support for mfd")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/mfd/mfd-core.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -285,6 +285,8 @@ int mfd_clone_cell(const char *cell, con
clones[i]);
}

+ put_device(dev);
+
return 0;
}
EXPORT_SYMBOL(mfd_clone_cell);