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Date: Fri, 2 Feb 2018 17:58:54 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Wei Yongjun <weiyongjun1@...wei.com>
Subject: [PATCH 4.14 153/156] test_firmware: fix missing unlock on error in config_num_requests_store()
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wei Yongjun <weiyongjun1@...wei.com>
commit a5e1923356505e46476c2fb518559b7a4d9d25b1 upstream.
Add the missing unlock before return from function
config_num_requests_store() in the error handling case.
Fixes: c92316bf8e94 ("test_firmware: add batched firmware tests")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
lib/test_firmware.c | 1 +
1 file changed, 1 insertion(+)
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -371,6 +371,7 @@ static ssize_t config_num_requests_store
if (test_fw_config->reqs) {
pr_err("Must call release_all_firmware prior to changing config\n");
rc = -EINVAL;
+ mutex_unlock(&test_fw_mutex);
goto out;
}
mutex_unlock(&test_fw_mutex);
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