xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[ALSA] Remove redundant NULL checks before kfree

Browse Source 
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>
This commit is contained in:
Jesper Juhl
2005-05-30 17:30:32 +02:00
committed by Jaroslav Kysela
parent 6fd8b87f0e
commit 4d572776d4
18 changed files with 39 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
sound/pci/emu10k1/emupcm.c
View File

@@ -991,9 +991,7 @@ static void snd_emu10k1_pcm_efx_mixer_notify(emu10k1_t *emu, int idx, int activa
static void snd_emu10k1_pcm_free_substream(snd_pcm_runtime_t *runtime)
{
emu10k1_pcm_t *epcm = runtime->private_data;
kfree(epcm);
kfree(runtime->private_data);
}
static int snd_emu10k1_efx_playback_close(snd_pcm_substream_t * substream)