From fbc020b48c85fc7e4ca42ceb095c76f294b00043 Mon Sep 17 00:00:00 2001 From: Markus Elfring Date: Wed, 9 Aug 2017 09:22:42 +0200 Subject: ALSA: emux: Adjust four checks for null pointers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Takashi Iwai --- sound/synth/emux/emux_seq.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'sound/synth/emux') 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++) { -- cgit v1.2.3