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| author |   Leilei Zhao <leilei.zhao@atmel.com> | 2015-04-07 17:45:09 +0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-08 22:20:04 +0800 |
| commit | 8a10eb8d36ffc86512ae66a35c8888f07b8ec921 (patch) | |
| tree | 96b3e6a869381b2d78bb210ea5b2df930906032d /drivers/crypto/atmel-aes.c | |
| parent | crypto: atmel-tdes - initialize spinlock in probe (diff) | |
| download | linux-dev-8a10eb8d36ffc86512ae66a35c8888f07b8ec921.tar.xz linux-dev-8a10eb8d36ffc86512ae66a35c8888f07b8ec921.zip | |
crypto: atmel-aes - initialize spinlock in probe
Kernel will report "BUG: spinlock lockup suspected on CPU#0"
when CONFIG_DEBUG_SPINLOCK is enabled in kernel config and the
spinlock is used at the first time. It's caused by uninitialized
spinlock, so just initialize it in probe.
Signed-off-by: Leilei Zhao <leilei.zhao@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/atmel-aes.c')
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index 3f19d7cf9ca4..15c7dbd0a13d 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1341,6 +1341,7 @@ static int atmel_aes_probe(struct platform_device *pdev) platform_set_drvdata(pdev, aes_dd); INIT_LIST_HEAD(&aes_dd->list); + spin_lock_init(&aes_dd->lock); tasklet_init(&aes_dd->done_task, atmel_aes_done_task, (unsigned long)aes_dd); |