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| author | Corentin Labbe <clabbe@baylibre.com> | 2022-02-21 12:08:33 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-03-03 10:47:49 +1200 |
| commit | 4058cf08945c18a6de193f4118fd05d83d3d4285 (patch) | |
| tree | b7ce46a35d9c995514899d909bd251524997115a /crypto/crypto_engine.c | |
| parent | 7f22421103c5a7f9a1726f0ed125274c38174ddb (diff) | |
| download | lwn-4058cf08945c18a6de193f4118fd05d83d3d4285.tar.gz lwn-4058cf08945c18a6de193f4118fd05d83d3d4285.zip | |
crypto: engine - check if BH is disabled during completion
When doing iperf over ipsec with crypto hardware sun8i-ce, I hit some
spinlock recursion bug.
This is due to completion function called with enabled BH.
Add check a to detect this.
Fixes: 735d37b5424b ("crypto: engine - Introduce the block request crypto engine framework")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/crypto_engine.c')
| -rw-r--r-- | crypto/crypto_engine.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c index fb07da9920ee..6056a990c9f2 100644 --- a/crypto/crypto_engine.c +++ b/crypto/crypto_engine.c @@ -53,6 +53,7 @@ static void crypto_finalize_request(struct crypto_engine *engine, dev_err(engine->dev, "failed to unprepare request\n"); } } + lockdep_assert_in_softirq(); req->complete(req, err); kthread_queue_work(engine->kworker, &engine->pump_requests); |