[PATCH] driver core: Fix a reource leak in 'fw_devlink_create_devlink()'

[Christophe JAILLET]

In 'fw_devlink_create_devlink()', all exit paths, successful or not,
release the reference taken on 'sup_dev'.
All but this one.

Use the existing error handling case to call the missing 'put_device()'.

Fixes: f9aa460672c9c ("driver core: Refactor fw_devlink feature")
Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
---
Speculative and compile tested only
---
 drivers/base/core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index e08d376631cc..8775717a6bf7 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1623,8 +1623,10 @@ static int fw_devlink_create_devlink(struct device *con,
         * cycles. So cycle detection isn't necessary and shouldn't be
         * done.
         */
-       if (flags & DL_FLAG_SYNC_STATE_ONLY)
-               return -EAGAIN;
+       if (flags & DL_FLAG_SYNC_STATE_ONLY) {
+               ret = -EAGAIN;
+               goto out;
+       }
 
        /*
         * If we can't find the supplier device from its fwnode, it might be
-- 
2.27.0