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Commit ea365922 authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
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usb: gadget: FunctionFS: dereference ffs_dev conditionally 



ffs_dev->ffs_release_dev_callback should be accessed only if ffs_dev
is not NULL.

Acked-by: default avatarMichal Nazarewicz <mina86@mina86.com>
Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent de9db572

drivers/usb/gadget/f_fs.c

+5 −4
Original line number Original line Diff line number Diff line
@@ -2590,11 +2590,12 @@ static void ffs_release_dev(struct ffs_data *ffs_data) 
	ffs_dev_lock();

	ffs_dev_lock();





	ffs_dev = ffs_data->private_data;

	ffs_dev = ffs_data->private_data;

	if (ffs_dev)

	if (ffs_dev) {

		ffs_dev->mounted = false;

		ffs_dev->mounted = false;





		if (ffs_dev->ffs_release_dev_callback)

		if (ffs_dev->ffs_release_dev_callback)

			ffs_dev->ffs_release_dev_callback(ffs_dev);

			ffs_dev->ffs_release_dev_callback(ffs_dev);

	}





	ffs_dev_unlock();

	ffs_dev_unlock();

}

}