diff options
| author | Jesper Juhl <juhl-lkml@dif.dk> | 2005-05-30 17:30:32 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-06-22 12:27:43 +0200 |
| commit | 4d572776d4dfa2d5385a2ec3acec3cc059149e13 (patch) | |
| tree | b25ff1baa8d106561d9f07045bbfea6ac330c714 /sound/core/seq/oss | |
| parent | 6fd8b87f0e1e5de436ba020bd5806fe9ad738269 (diff) | |
[ALSA] Remove redundant NULL checks before kfree
Timer Midlevel,ALSA sequencer,ALSA<-OSS sequencer,Digigram VX core
I2C tea6330t,GUS Library,VIA82xx driver,VIA82xx-modem driver
CA0106 driver,CS46xx driver,EMU10K1/EMU10K2 driver,YMFPCI driver
Digigram VX Pocket driver,Common EMU synth,USB generic driver,USB USX2Y
Checking a pointer for NULL before calling kfree() on it is redundant,
kfree() deals with NULL pointers just fine.
This patch removes such checks from sound/
This patch also makes another, but closely related, change.
It avoids casting pointers about to be kfree()'ed.
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/seq/oss')
| -rw-r--r-- | sound/core/seq/oss/seq_oss_synth.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c index 638cc148706..1a7736cbf3a 100644 --- a/sound/core/seq/oss/seq_oss_synth.c +++ b/sound/core/seq/oss/seq_oss_synth.c @@ -325,14 +325,10 @@ snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp) } snd_use_lock_free(&rec->use_lock); } - if (info->sysex) { - kfree(info->sysex); - info->sysex = NULL; - } - if (info->ch) { - kfree(info->ch); - info->ch = NULL; - } + kfree(info->sysex); + info->sysex = NULL; + kfree(info->ch); + info->ch = NULL; } dp->synth_opened = 0; dp->max_synthdev = 0; @@ -418,14 +414,10 @@ snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev) dp->file_mode) < 0) { midi_synth_dev.opened--; info->opened = 0; - if (info->sysex) { - kfree(info->sysex); - info->sysex = NULL; - } - if (info->ch) { - kfree(info->ch); - info->ch = NULL; - } + kfree(info->sysex); + info->sysex = NULL; + kfree(info->ch); + info->ch = NULL; } return; } |