commit 5afc904f443de2afd31c4e0686ba178beede86fe
author Weili Qian <qianweili@huawei.com> Sat Aug 27 18:27:37 2022 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> Fri Sep 02 18:38:06 2022 +0800
tree b25c934b86a54f57f7a2c6b09dfbef05eab36a17
parent 95b66bc4e789c5698b973e92235c2e901c7546e0

crypto: hisilicon/qm - fix missing put dfx access

In function qm_cmd_write(), if function returns from
branch 'atomic_read(&qm->status.flags) == QM_STOP',
the got dfx access is forgotten to put.

Fixes: 607c191b371d ("crypto: hisilicon - support runtime PM for accelerator device")
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/hisilicon/qm.c

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 1c661c8..fd9fb15 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -2216,8 +2216,10 @@
 		return ret;
 
 	/* Judge if the instance is being reset. */
-	if (unlikely(atomic_read(&qm->status.flags) == QM_STOP))
-		return 0;
+	if (unlikely(atomic_read(&qm->status.flags) == QM_STOP)) {
+		ret = 0;
+		goto put_dfx_access;
+	}
 
 	if (count > QM_DBG_WRITE_LEN) {
 		ret = -ENOSPC;