This patch fixes the dereferencing of freed memory.
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Christian Gromm <[email protected]>
---
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 d5fb4a0..cfc32df 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);
--
1.7.9.5
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