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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2019-01-08 10:43:30 +0300 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2019-01-08 09:02:54 +0100 |
| commit | 1524f4e47f90b27a3ac84efbdd94c63172246a6f (patch) | |
| tree | 2b79fdf07f434e2739cf22297e65fef8abef5079 /sound | |
| parent | ALSA: hda/realtek - Support Dell headset mode for New AIO platform (diff) | |
| download | linux-dev-1524f4e47f90b27a3ac84efbdd94c63172246a6f.tar.xz linux-dev-1524f4e47f90b27a3ac84efbdd94c63172246a6f.zip | |
ALSA: cs46xx: Potential NULL dereference in probe
The "chip->dsp_spos_instance" can be NULL on some of the ealier error
paths in snd_cs46xx_create().
Reported-by: "Yavuz, Tuba" <tuba@ece.ufl.edu>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/cs46xx/dsp_spos.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index 598d140bb7cb..5fc497c6d738 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -903,6 +903,9 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip) struct dsp_spos_instance * ins = chip->dsp_spos_instance; int i; + if (!ins) + return 0; + snd_info_free_entry(ins->proc_sym_info_entry); ins->proc_sym_info_entry = NULL; |