mfd: core: Fix device reference leak in mfd_clone_cell

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 60b60dc63dddbc610d0ac1cf02111066b4af5095..022c9374ce8bf1df02b481ac62daba32919b7e65 100644 (file)
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -354,6 +354,8 @@ 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);