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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-07-21 12:02:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-21 16:16:09 +0300 |
| commit | 60e494b4d5784e83314ac00f72ce8e1e4c9f29f7 (patch) | |
| tree | 0289991ceed0f56ad908d5b06922b1bc5b6645d4 /sound/soc | |
| parent | 5682b4f84aabdb520b678c1f06ad985f2d052d0a (diff) | |
| download | linux-60e494b4d5784e83314ac00f72ce8e1e4c9f29f7.tar.xz | |
ASoC: qcom: q6dsp: Fix an off-by-one in q6adm_alloc_copp()
[ Upstream commit 673f58f62ca6fc98979d1cf3fe89c3ff33f29b2e ]
find_first_zero_bit() returns MAX_COPPS_PER_PORT at max here.
So 'idx' should be tested with ">=" or the test can't match.
Fixes: 7b20b2be51e1 ("ASoC: qdsp6: q6adm: Add q6adm driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/0fca3271649736053eb9649d87e1ca01b056be40.1658394124.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/qcom/qdsp6/q6adm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/qcom/qdsp6/q6adm.c b/sound/soc/qcom/qdsp6/q6adm.c index 72f29720398c..182d36a34faf 100644 --- a/sound/soc/qcom/qdsp6/q6adm.c +++ b/sound/soc/qcom/qdsp6/q6adm.c @@ -217,7 +217,7 @@ static struct q6copp *q6adm_alloc_copp(struct q6adm *adm, int port_idx) idx = find_first_zero_bit(&adm->copp_bitmap[port_idx], MAX_COPPS_PER_PORT); - if (idx > MAX_COPPS_PER_PORT) + if (idx >= MAX_COPPS_PER_PORT) return ERR_PTR(-EBUSY); c = kzalloc(sizeof(*c), GFP_ATOMIC); |