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authorLeilei Zhao <leilei.zhao@atmel.com>2015-04-07 12:45:08 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2015-04-08 17:20:03 +0300
commit1d1b91637ce1d0968d17b0a288de557946a9494e (patch)
treebb3953e9e532df076dec3f4e64c37f47631754de /drivers/crypto/atmel-tdes.c
parent3f1992c002064f5628eafbec9649f7a82f439eaf (diff)
downloadlinux-1d1b91637ce1d0968d17b0a288de557946a9494e.tar.xz
crypto: atmel-tdes - 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-tdes.c')
-rw-r--r--drivers/crypto/atmel-tdes.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 8495b8959d0b..ca2999709eb4 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -1370,6 +1370,7 @@ static int atmel_tdes_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, tdes_dd);
INIT_LIST_HEAD(&tdes_dd->list);
+ spin_lock_init(&tdes_dd->lock);
tasklet_init(&tdes_dd->done_task, atmel_tdes_done_task,
(unsigned long)tdes_dd);