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    [ALSA] Remove redundant NULL checks before kfree · 4d572776
    Jesper Juhl 提交于
    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: NJesper Juhl <juhl-lkml@dif.dk>
    Signed-off-by: NTakashi Iwai <tiwai@suse.de>
    4d572776
emu10k1x.c 47.6 KB