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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-01-11 10:22:32 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-01-11 16:57:24 +0100 |
| commit | 10b1a5a99c6ac42be7a490676aec626fba28b048 (patch) | |
| tree | 51d0b4702cdfdc9c59ec548ccbc1dceb26a6259f /sound | |
| parent | f66229aa355f7e0dc0dc20cbc1f4d45c3176eed2 (diff) | |
| download | lwn-10b1a5a99c6ac42be7a490676aec626fba28b048.tar.gz lwn-10b1a5a99c6ac42be7a490676aec626fba28b048.zip | |
ALSA: hda: cs35l41: fix double free on error in probe()
If we encounter an error after the kfree(acpi_hw_cfg); then the goto
err; will result in a double free.
Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220111072232.GG11243@kili
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index aa5bb6977792..30b40d865863 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -477,6 +477,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i if (ret) goto err; kfree(acpi_hw_cfg); + acpi_hw_cfg = NULL; if (cs35l41->reg_seq->probe) { ret = regmap_register_patch(cs35l41->regmap, cs35l41->reg_seq->probe, |