From: Andrew Morton <[email protected]>
Subject: drivers/input/evdev.c: don't kfree() a vmalloc address

If kzalloc() failed and then evdev_open_device() fails, evdev_open() will
pass a vmalloc'ed pointer to kfree.

This might fix https://bugzilla.kernel.org/show_bug.cgi?id=88401, where
there was a crash in kfree().

Reported-by: Christian Casteyde <[email protected]>
Cc: Dmitry Torokhov <[email protected]>
Cc: Henrik Rydberg <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 drivers/input/evdev.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN 
drivers/input/evdev.c~drivers-input-evdevc-dont-kfree-a-vmalloc-address 
drivers/input/evdev.c
--- a/drivers/input/evdev.c~drivers-input-evdevc-dont-kfree-a-vmalloc-address
+++ a/drivers/input/evdev.c
@@ -421,7 +421,7 @@ static int evdev_open(struct inode *inod
 
  err_free_client:
        evdev_detach_client(evdev, client);
-       kfree(client);
+       kvfree(client);
        return error;
 }
 
_
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