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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-01-19 13:31:01 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-01-19 17:47:36 +0100 |
| commit | 4c907bcd9dcd233da6707059d777ab389dcbd964 (patch) | |
| tree | 46728b53188c7d1e8c64c058aaad02bc0a5e6fad /fs/verity | |
| parent | ASoC: cpcap: Check for NULL pointer after calling of_get_child_by_name (diff) | |
| download | linux-4c907bcd9dcd233da6707059d777ab389dcbd964.tar.xz linux-4c907bcd9dcd233da6707059d777ab389dcbd964.zip | |
ASoC: max9759: fix underflow in speaker_gain_control_put()
Check for negative values of "priv->gain" to prevent an out of bounds
access. The concern is that these might come from the user via:
-> snd_ctl_elem_write_user()
-> snd_ctl_elem_write()
-> kctl->put()
Fixes: fa8d915172b8 ("ASoC: max9759: Add Amplifier Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220119123101.GA9509@kili
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'fs/verity')
0 files changed, 0 insertions, 0 deletions