diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2021-01-31 18:09:14 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-02-01 09:17:01 +0100 |
| commit | 0074946932cbd42647da947408a9d620746a4e0e (patch) | |
| tree | 29f227af6c94b3743acf79982b15dea312770544 /sound/pci/intel8x0m.c | |
| parent | 0417fadab493b55093ba2590f4e66c828f7084fe (diff) | |
ALSA: intel8x0: Fix missing check in snd_intel8x0m_create
When device_type == DEVICE_ALI, we should also check the return
value of pci_iomap() to avoid potential null pointer dereference.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20210131100916.7915-1-dinghao.liu@zju.edu.cn
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/intel8x0m.c')
| -rw-r--r-- | sound/pci/intel8x0m.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c index 1b7df0c4e57c..19872cecc9d2 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -1129,13 +1129,14 @@ static int snd_intel8x0m_create(struct snd_card *card, chip->bmaddr = pci_iomap(pci, 3, 0); else chip->bmaddr = pci_iomap(pci, 1, 0); + +port_inited: if (!chip->bmaddr) { dev_err(card->dev, "Controller space ioremap problem\n"); snd_intel8x0m_free(chip); return -EIO; } - port_inited: /* initialize offsets */ chip->bdbars_count = 2; tbl = intel_regs; |