shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 10:31:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: emu10k1: add error handling for snd_ctl_add

Browse Source 
[ Upstream commit 6d531e7b97 ]

When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling snd_ctl_add.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhouyang Jia
2018-06-11 16:18:40 +08:00
committed by Greg Kroah-Hartman
parent 44a78f7d17
commit 40ff9a54dd
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
sound/pci/emu10k1/emupcm.c
View File

@@ -1850,7 +1850,9 @@ int snd_emu10k1_pcm_efx(struct snd_emu10k1 *emu, int device)
if (!kctl)
return -ENOMEM;
kctl->id.device = device;
snd_ctl_add(emu->card, kctl);
err = snd_ctl_add(emu->card, kctl);
if (err < 0)
return err;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(emu->pci), 64*1024, 64*1024);