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Staging: most: fix dereferencing freed memory

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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>
This commit is contained in:
Christian Gromm
2015-07-28 17:16:10 +02:00
committed by Greg Kroah-Hartman
parent 7ac5c9f0a0
commit 2e4c30458e
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/most/aim-cdev/cdev.c
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@@ -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);