Commit 1524f4e4 authored Jan 08, 2019 by Dan Carpenter Committed by Takashi Iwai Jan 08, 2019

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>

parent c2a7c55a

sound/pci/cs46xx/dsp_spos.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;

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