/* * Line 6 Linux USB driver * * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, version 2. * */ #ifndef MIDI_H #define MIDI_H #include #include "midibuf.h" #define MIDI_BUFFER_SIZE 1024 struct snd_line6_midi { /* Pointer back to the Line 6 driver data structure */ struct usb_line6 *line6; /* MIDI substream for receiving (or NULL if not active) */ struct snd_rawmidi_substream *substream_receive; /* MIDI substream for transmitting (or NULL if not active) */ struct snd_rawmidi_substream *substream_transmit; /* Number of currently active MIDI send URBs */ int num_active_send_urbs; /* Spin lock to protect MIDI buffer handling */ spinlock_t lock; /* Wait queue for MIDI transmission */ wait_queue_head_t send_wait; /* Buffer for incoming MIDI stream */ struct midi_buffer midibuf_in; /* Buffer for outgoing MIDI stream */ struct midi_buffer midibuf_out; }; extern int line6_init_midi(struct usb_line6 *line6); extern void line6_midi_receive(struct usb_line6 *line6, unsigned char *data, int length); #endif ack net-next plumbingsTobias Klauser
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authorDan Carpenter <dan.carpenter@oracle.com>2017-01-30 10:55:04 +0100
committerDavid S. Miller <davem@davemloft.net>2017-01-30 16:37:55 -0500
commitcdaf25dfc058ee6f7a7b2e2353de00fa288c0cd4 (patch)
treea45096fd9e8aaeea2eac1f1999a3d17dfeb0d02b /net/irda/irmod.c
parent1930b60352e7e195f55b27cde15d2a8f43342a8b (diff)
smc: some potential use after free bugs
Say we got really unlucky and these failed on the last iteration, then it could lead to a use after free bug. Fixes: cd6851f30386 ("smc: remote memory buffers (RMBs)") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/irda/irmod.c')