[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>

1 files changed, 1 insertions, 2 deletions

diff --git a/sound/pcmcia/vx/vx_entry.c b/sound/pcmcia/vx/vx_entry.c
index 53d8172c52ae..332bbca3dfc4 100644
--- a/sound/pcmcia/vx/vx_entry.c
+++ b/sound/pcmcia/vx/vx_entry.c
@@ -68,8 +68,7 @@ static int snd_vxpocket_free(vx_core_t *chip)
         if (hw)
                 hw->card_list[vxp->index] = NULL;
         chip->card = NULL;
-        if (chip->dev)
-                kfree(chip->dev);
+        kfree(chip->dev);
 
         snd_vx_free_firmware(chip);
         kfree(chip);