From 2e4c30458e31e5f6487d1393254f2ab347cfb02c Mon Sep 17 00:00:00 2001
From: Christian Gromm <christian.gromm@microchip.com>
Date: Tue, 28 Jul 2015 17:16:10 +0200
Subject: [PATCH] Staging: most: fix dereferencing freed memory

This patch fixes the dereferencing of freed memory.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/most/aim-cdev/cdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index d5fb4a0e0818..cfc32dff6512 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -124,9 +124,9 @@ static int aim_close(struct inode *inode, struct file *filp)
 		cdev_del(&channel->cdev);
 		kfifo_free(&channel->fifo);
 		list_del(&channel->list);
-		kfree(channel);
 		ida_simple_remove(&minor_id, MINOR(channel->devno));
 		wake_up_interruptible(&channel->wq);
+		kfree(channel);
 		return 0;
 	}
 	mutex_unlock(&channel->io_mutex);