Commit 62728e82 authored Apr 07, 2015 by Leilei Zhao Committed by Herbert Xu Apr 08, 2015

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>

parent 803eeae8

drivers/crypto/atmel-sha.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);