4.20-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
commit 1524f4e47f90b27a3ac84efbdd94c63172246a6f upstream.
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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/pci/cs46xx/dsp_spos.c | 3 +++ 1 file changed, 3 insertions(+)
--- 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_cs4 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;