Commit 5afc904f authored by Weili Qian's avatar Weili Qian Committed by Herbert Xu
Browse files

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: 607c191b ("crypto: hisilicon - support runtime PM for accelerator device")
Signed-off-by: default avatarWeili Qian <qianweili@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 95b66bc4

drivers/crypto/hisilicon/qm.c

+4 −2
Original line number Diff line number Diff line
@@ -2216,8 +2216,10 @@ static ssize_t qm_cmd_write(struct file *filp, const char __user *buffer, 
		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;