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Subject[PATCH 3.16.y-ckt 021/133] devres: fix devres_get()
Date
3.16.7-ckt18 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Masahiro Yamada <yamada.masahiro@socionext.com>

commit 64526370d11ce8868ca495723d595b61e8697fbf upstream.

Currently, devres_get() passes devres_free() the pointer to devres,
but devres_free() should be given with the pointer to resource data.

Fixes: 9ac7849e35f7 ("devres: device resource management")
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
drivers/base/devres.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 52302946770f..87643ca7c035 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -297,10 +297,10 @@ void * devres_get(struct device *dev, void *new_res,
if (!dr) {
add_dr(dev, &new_dr->node);
dr = new_dr;
- new_dr = NULL;
+ new_res = NULL;
}
spin_unlock_irqrestore(&dev->devres_lock, flags);
- devres_free(new_dr);
+ devres_free(new_res);

return dr->data;
}

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