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staging: most: hdm-usb: Remove invalid reference error 

commit e3479f77("staging: most: hdm-usb: Remove create_workqueue()")
cancel_work_sync(&anchor->clear_work_obj) is introduced after freeing
`anchor` causing a invalid reference error. This patch removes this
error by shifting the call to cancel_work_sync before freeing
`anchor`.

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amitoj Kaur Chawla 2016-03-12 00:11:47 +05:30 committed by Greg Kroah-Hartman
parent e6e1d57e08
commit 720f7a7850
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/most/hdm-usb/hdm_usb.c
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@ -221,11 +221,10 @@ static void free_anchored_buffers(struct most_dev *mdev, unsigned int channel)
}
spin_lock_irqsave(&mdev->anchor_list_lock[channel], flags);
list_del(&anchor->list);
cancel_work_sync(&anchor->clear_work_obj);
kfree(anchor);
}
spin_unlock_irqrestore(&mdev->anchor_list_lock[channel], flags);
cancel_work_sync(&anchor->clear_work_obj);
}
/**