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linux/sound/core
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Julia Lawall 4b3be6afa4 ALSA: sound: Move dereference after NULL test and drop unnecessary NULL tests 
In pcm.c, if the NULL test on pcm is needed, then the dereference should be
after the NULL test.

In dummy.c and ali5451.c, the context of the calls to
snd_card_dummy_new_mixer and snd_ali_free_voice show that dummy and pvoice,
respectively cannot be NULL.

A simplified version of the semantic match that detects this problem is as
follows (http://coccinelle.lip6.fr/):

// <smpl>
@match exists@
expression x, E;
identifier fld;
@@

* x->fld
  ... when != \(x = E\|&x\)
* x == NULL
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2009-10-30 12:01:27 +01:00
..
oss Merge branch 'topic/oss' into for-linus 2009-09-10 15:32:58 +02:00
seq Merge branch 'topic/midi' into for-linus 2009-09-10 15:32:56 +02:00
control_compat.c
control.c sound: snd_ctl_remove_user_ctl: prevent removal of kernel controls 2009-08-17 12:48:21 +02:00
device.c
hrtimer.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-12-30 16:16:21 -08:00
hwdep_compat.c
hwdep.c ALSA: hwdep - Make open callback optional 2009-02-05 09:10:20 +01:00
info_oss.c
info.c Merge branch 'topic/dummy' into for-linus 2009-09-10 15:32:51 +02:00
init.c ALSA: Remove struct snd_monitor_file from public sound/core.h 2009-09-07 15:50:18 +02:00
isadma.c
jack.c ALSA: use card device as parent for jack input-devices 2009-06-10 19:50:33 +02:00
Kconfig ALSA: Fix SG-buffer DMA with non-coherent architectures 2009-07-08 14:20:20 +02:00
Makefile ALSA: Fix SG-buffer DMA with non-coherent architectures 2009-07-08 14:20:20 +02:00
memalloc.c ALSA: Fix SG-buffer DMA with non-coherent architectures 2009-07-08 14:20:20 +02:00
memory.c
misc.c ALSA: Add debug module option 2009-08-27 17:42:08 +02:00
pcm_compat.c ALSA: sound/core: use memdup_user() 2009-04-14 12:39:12 +02:00
pcm_lib.c Merge branch 'topic/pcm-drain-nonblock' into for-linus 2009-09-10 15:33:00 +02:00
pcm_memory.c ALSA: Fix SG-buffer DMA with non-coherent architectures 2009-07-08 14:20:20 +02:00
pcm_misc.c sound: add missing pcm kernel-doc 2008-10-18 11:05:36 +02:00
pcm_native.c const: mark struct vm_struct_operations 2009-09-27 11:39:25 -07:00
pcm_timer.c ALSA: Remove unneeded snd_pcm_substream.timer_lock 2009-03-09 14:02:00 +01:00
pcm.c ALSA: sound: Move dereference after NULL test and drop unnecessary NULL tests 2009-10-30 12:01:27 +01:00
rawmidi_compat.c
rawmidi.c sound: rawmidi: disable active-sensing-on-close by default 2009-07-15 11:57:20 +02:00
rtctimer.c ALSA: hda - Convert from takslet_hi_schedule() to tasklet_schedule() 2008-12-18 12:17:55 +01:00
sgbuf.c ALSA: Fix vunmap and free order in snd_free_sgbuf_pages() 2009-03-18 08:04:01 +01:00
sound_oss.c
sound.c Check fops_get() return value 2009-01-06 15:59:11 -08:00
timer_compat.c
timer.c ALSA: sound/core: use memdup_user() 2009-04-14 12:39:12 +02:00
vmaster.c ALSA: Add new TLV types for dBwith min/max 2009-06-17 10:56:53 +02:00