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@xxxxxxxxx> Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> --- drivers/crypto/atmel-sha.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 9fb8af1..6430f6a 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); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
