From 1524f4e47f90b27a3ac84efbdd94c63172246a6f Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 8 Jan 2019 10:43:30 +0300
Subject: [PATCH 6/9] ALSA: cs46xx: Potential NULL dereference in probe
Git-commit: 1524f4e47f90b27a3ac84efbdd94c63172246a6f
Patch-mainline: v5.0-rc2
References: bsc#1051510
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>
---
sound/pci/cs46xx/dsp_spos.c | 3 +++
1 file changed, 3 insertions(+)
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;
--
2.20.1