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| author | Markus Elfring <elfring@users.sourceforge.net> | 2017-08-09 09:22:42 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-08-10 17:55:12 +0200 |
| commit | fbc020b48c85fc7e4ca42ceb095c76f294b00043 (patch) | |
| tree | 2a44bd6b312bd43fd6c03c6685018407b84dd664 /sound/synth | |
| parent | 949a0c23de89c02907970de7214c16b47ccf0482 (diff) | |
| download | lwn-fbc020b48c85fc7e4ca42ceb095c76f294b00043.tar.gz lwn-fbc020b48c85fc7e4ca42ceb095c76f294b00043.zip | |
ALSA: emux: Adjust four checks for null pointers
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The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written !…
Thus fix affected source code places.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/synth')
| -rw-r--r-- | sound/synth/emux/emux_seq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c index 12acf18c5be4..fd6cbd439511 100644 --- a/sound/synth/emux/emux_seq.c +++ b/sound/synth/emux/emux_seq.c @@ -99,7 +99,7 @@ snd_emux_init_seq(struct snd_emux *emu, struct snd_card *card, int index) sprintf(tmpname, "%s Port %d", emu->name, i); p = snd_emux_create_port(emu, tmpname, MIDI_CHANNELS, 0, &pinfo); - if (p == NULL) { + if (!p) { snd_printk(KERN_ERR "can't create port\n"); return -ENOMEM; } @@ -151,7 +151,7 @@ snd_emux_create_port(struct snd_emux *emu, char *name, } p->chset.channels = kcalloc(max_channels, sizeof(*p->chset.channels), GFP_KERNEL); - if (p->chset.channels == NULL) { + if (!p->chset.channels) { snd_printk(KERN_ERR "no memory\n"); kfree(p); return NULL; @@ -373,7 +373,7 @@ int snd_emux_init_virmidi(struct snd_emux *emu, struct snd_card *card) return 0; emu->vmidi = kcalloc(emu->midi_ports, sizeof(*emu->vmidi), GFP_KERNEL); - if (emu->vmidi == NULL) + if (!emu->vmidi) return -ENOMEM; for (i = 0; i < emu->midi_ports; i++) { @@ -405,7 +405,7 @@ int snd_emux_delete_virmidi(struct snd_emux *emu) { int i; - if (emu->vmidi == NULL) + if (!emu->vmidi) return 0; for (i = 0; i < emu->midi_ports; i++) { |