From: Johan Hovold <johan@kernel.org>
Date: Tue, 1 Nov 2016 10:38:18 +0000 (+0100)
Subject: mfd: core: Fix device reference leak in mfd_clone_cell
X-Git-Tag: v4.9-rc6~24^2
X-Git-Url: http://git.agner.ch/gitweb/?a=commitdiff_plain;h=722f191080de641f023feaa7d5648caf377844f5;p=linux.git

mfd: core: Fix device reference leak in mfd_clone_cell

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>
---

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 3ac486a597f3..c57e407020f1 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -399,6 +399,8 @@ int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones)
 					clones[i]);
 	}
 
+	put_device(dev);
+
 	return 0;
 }
 EXPORT_SYMBOL(mfd_clone_cell);