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Commit 7c11df42 authored by Thierry Escande's avatar Thierry Escande Committed by Greg Kroah-Hartman
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misc: fastrpc: Fix device_open when no session is available 



This change fixes fastrpc_device_open() when no session is available and
return an error in such case.

Signed-off-by: default avatarThierry Escande <thierry.escande@linaro.org>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c0fae22f

drivers/misc/fastrpc.c

+10 −1
Original line number Diff line number Diff line
@@ -1016,10 +1016,19 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) 
	INIT_LIST_HEAD(&fl->user);

	fl->tgid = current->tgid;

	fl->cctx = cctx;



	fl->sctx = fastrpc_session_alloc(cctx);

	if (!fl->sctx) {

		dev_err(&cctx->rpdev->dev, "No session available\n");

		mutex_destroy(&fl->mutex);

		kfree(fl);



		return -EBUSY;

	}



	spin_lock(&cctx->lock);

	list_add_tail(&fl->user, &cctx->users);

	spin_unlock(&cctx->lock);

	fl->sctx = fastrpc_session_alloc(cctx);



	return 0;

}