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remove superfluous free() checks

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free() correctly handles NULL pointers, so we can omit explicit checks
for that condition.
This commit is contained in:
Clemens Ladisch 2006-02-27 09:58:32 +00:00
parent 45850439b3
commit 4433248bf3
33 changed files with 108 additions and 205 deletions
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12
src/pcm/pcm_hw.c
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@ -843,10 +843,8 @@ static int snd_pcm_hw_munmap_status(snd_pcm_t *pcm)
snd_pcm_hw_t *hw = pcm->private_data;
int err;
if (hw->sync_ptr_ioctl) {
if (hw->sync_ptr) {
free(hw->sync_ptr);
hw->sync_ptr = NULL;
}
free(hw->sync_ptr);
hw->sync_ptr = NULL;
} else {
if (munmap((void*)hw->mmap_status, page_align(sizeof(*hw->mmap_status))) < 0) {
err = -errno;
@ -862,10 +860,8 @@ static int snd_pcm_hw_munmap_control(snd_pcm_t *pcm)
snd_pcm_hw_t *hw = pcm->private_data;
int err;
if (hw->sync_ptr_ioctl) {
if (hw->sync_ptr) {
free(hw->sync_ptr);
hw->sync_ptr = NULL;
}
free(hw->sync_ptr);
hw->sync_ptr = NULL;
} else {
if (munmap(hw->mmap_control, page_align(sizeof(*hw->mmap_control))) < 0) {
err = -errno;