Commit 4dc5475a authored Feb 26, 2018 by Antoine Tenart Committed by Herbert Xu Mar 09, 2018

crypto: inside-secure - wait for the request to complete if in the backlog

This patch updates the safexcel_hmac_init_pad() function to also wait
for completion when the digest return code is -EBUSY, as it would mean
the request is in the backlog to be processed later.

Fixes: 1b44c5a6 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent cff9a175

drivers/crypto/inside-secure/safexcel_hash.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -842,7 +842,7 @@ static int safexcel_hmac_init_pad(struct ahash_request *areq,
		init_completion(&result.completion);

		ret = crypto_ahash_digest(areq);
		if (ret == -EINPROGRESS) {
		if (ret == -EINPROGRESS \|\| ret == -EBUSY) {
		wait_for_completion_interruptible(&result.completion);
		ret = result.error;
		}