[PATCH 3/3] ALSA: sgio2audio: Adjust two null pointer checks in snd_sgio2audio_create()
From: SF Markus Elfring
Date: Sat Nov 11 2017 - 14:24:51 EST
From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 11 Nov 2017 20:10:22 +0100
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The script âcheckpatch.plâ pointed information out like the following.
Comparison to NULL could be written !â
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
sound/mips/sgio2audio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c
index 9e175a184b66..4027f0fc8db6 100644
--- a/sound/mips/sgio2audio.c
+++ b/sound/mips/sgio2audio.c
@@ -841,14 +841,14 @@ static int snd_sgio2audio_create(struct snd_card *card,
return -ENOENT;
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL)
+ if (!chip)
return -ENOMEM;
chip->card = card;
chip->ring_base = dma_alloc_coherent(NULL, MACEISA_RINGBUFFERS_SIZE,
&chip->ring_base_dma, GFP_USER);
- if (chip->ring_base == NULL) {
+ if (!chip->ring_base) {
printk(KERN_ERR
"sgio2audio: could not allocate ring buffers\n");
kfree(chip);
--
2.15.0