From 4d572776d4dfa2d5385a2ec3acec3cc059149e13 Mon Sep 17 00:00:00 2001 From: Jesper Juhl Date: Mon, 30 May 2005 17:30:32 +0200 Subject: [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 Signed-off-by: Takashi Iwai --- sound/core/timer.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'sound/core/timer.c') diff --git a/sound/core/timer.c b/sound/core/timer.c index d67a5e91a108..b498e5482d77 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1469,14 +1469,10 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user * if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0) goto __err; - if (tu->queue) { - kfree(tu->queue); - tu->queue = NULL; - } - if (tu->tqueue) { - kfree(tu->tqueue); - tu->tqueue = NULL; - } + kfree(tu->queue); + tu->queue = NULL; + kfree(tu->tqueue); + tu->tqueue = NULL; if (tu->tread) { tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL); if (tu->tqueue == NULL) -- cgit v1.2.3-59-g8ed1b