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authorLeilei Zhao <leilei.zhao@atmel.com>2015-04-07 11:45:09 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-04-08 16:20:04 +0200
commit8a10eb8d36ffc86512ae66a35c8888f07b8ec921 (patch)
tree96b3e6a869381b2d78bb210ea5b2df930906032d /drivers/crypto/atmel-aes.c
parentcrypto: atmel-tdes - initialize spinlock in probe (diff)
downloadlinux-8a10eb8d36ffc86512ae66a35c8888f07b8ec921.tar.xz
linux-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.c1
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);