diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2017-08-12 20:40:17 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-08-12 23:35:24 +0200 |
| commit | ec1f43c83b9df3052209e0c7e7d936e15251c867 (patch) | |
| tree | 3651e654b932062f1942a515c8ef95b6f862c5e1 /sound/drivers | |
| parent | 30b2aeb8a85c2f91f23c95e2b6723a464d0ee6d3 (diff) | |
| download | linux-ec1f43c83b9df3052209e0c7e7d936e15251c867.tar.gz | |
ALSA: mpu401: Use common error handling code in snd_mpu401_uart_new()
Add a jump target so that a bit of exception handling can be better reused
at the end of this function.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/drivers')
| -rw-r--r-- | sound/drivers/mpu401/mpu401_uart.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/drivers/mpu401/mpu401_uart.c b/sound/drivers/mpu401/mpu401_uart.c index cc347386fc2b..e8bdea193eab 100644 --- a/sound/drivers/mpu401/mpu401_uart.c +++ b/sound/drivers/mpu401/mpu401_uart.c @@ -545,8 +545,8 @@ int snd_mpu401_uart_new(struct snd_card *card, int device, return err; mpu = kzalloc(sizeof(*mpu), GFP_KERNEL); if (mpu == NULL) { - snd_device_free(card, rmidi); - return -ENOMEM; + err = -ENOMEM; + goto free_device; } rmidi->private_data = mpu; rmidi->private_free = snd_mpu401_uart_free; @@ -562,8 +562,8 @@ int snd_mpu401_uart_new(struct snd_card *card, int device, snd_printk(KERN_ERR "mpu401_uart: " "unable to grab port 0x%lx size %d\n", port, res_size); - snd_device_free(card, rmidi); - return -EBUSY; + err = -EBUSY; + goto free_device; } } if (info_flags & MPU401_INFO_MMIO) { @@ -583,8 +583,8 @@ int snd_mpu401_uart_new(struct snd_card *card, int device, "MPU401 UART", (void *) mpu)) { snd_printk(KERN_ERR "mpu401_uart: " "unable to grab IRQ %d\n", irq); - snd_device_free(card, rmidi); - return -EBUSY; + err = -EBUSY; + goto free_device; } } if (irq < 0 && !(info_flags & MPU401_INFO_IRQ_HOOK)) @@ -612,6 +612,9 @@ int snd_mpu401_uart_new(struct snd_card *card, int device, if (rrawmidi) *rrawmidi = rmidi; return 0; +free_device: + snd_device_free(card, rmidi); + return err; } EXPORT_SYMBOL(snd_mpu401_uart_new); |