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Commit b23097b7 authored by Jon Povey's avatar Jon Povey Committed by Greg Kroah-Hartman
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USB: g_serial: fix tty cleanup on unload 



Call put_tty_driver() in cleanup function, to fix Oops when trying to open
gadget serial char device after module unload.

Signed-off-by: default avatarJon Povey <jon.povey@racelogic.co.uk>
Acked-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 44a0c019

drivers/usb/gadget/u_serial.c

+1 −0
Original line number Diff line number Diff line
@@ -1184,6 +1184,7 @@ void gserial_cleanup(void) 
	n_ports = 0;



	tty_unregister_driver(gs_tty_driver);

	put_tty_driver(gs_tty_driver);

	gs_tty_driver = NULL;



	pr_debug("%s: cleaned up ttyGS* support\n", __func__);