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| author | Leilei Zhao <leilei.zhao@atmel.com> | 2015-04-07 12:45:06 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-08 17:20:02 +0300 |
| commit | 62728e82026c90af004dd2c328c1314f2f3e6b58 (patch) | |
| tree | d15da423e734db525adea1c920ff5bf0ff8a1069 | |
| parent | 803eeae8f3eb394d898a7aa65ba706628dd6a85c (diff) | |
| download | linux-62728e82026c90af004dd2c328c1314f2f3e6b58.tar.xz | |
crypto: atmel-sha - 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>
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index b093862eebf3..08dfddfcffbb 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -1367,6 +1367,7 @@ static int atmel_sha_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sha_dd); INIT_LIST_HEAD(&sha_dd->list); + spin_lock_init(&sha_dd->lock); tasklet_init(&sha_dd->done_task, atmel_sha_done_task, (unsigned long)sha_dd); |