[PATCH 1/3] ALSA: hal2: Use common error handling code in hal2_probe()

From: SF Markus Elfring
Date: Sat Nov 11 2017 - 13:12:46 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 11 Nov 2017 18:26:06 +0100

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
sound/mips/hal2.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)

diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c
index 37d378a26a50..30563d9aa5c8 100644
--- a/sound/mips/hal2.c
+++ b/sound/mips/hal2.c
@@ -887,21 +887,16 @@ static int hal2_probe(struct platform_device *pdev)
return err;

err = hal2_create(card, &chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto free_card;

err = hal2_pcm_create(chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto free_card;
+
err = hal2_mixer_create(chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto free_card;

strcpy(card->driver, "SGI HAL2 Audio");
strcpy(card->shortname, "SGI HAL2 Audio");
@@ -910,12 +905,15 @@ static int hal2_probe(struct platform_device *pdev)
SGI_HPCDMA_IRQ);

err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto free_card;
+
platform_set_drvdata(pdev, card);
return 0;
+
+free_card:
+ snd_card_free(card);
+ return err;
}

static int hal2_remove(struct platform_device *pdev)
--
2.15.0