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authorWei Yongjun <weiyongjun1@huawei.com>2018-01-11 11:12:55 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-22 16:55:38 +0100
commita5e1923356505e46476c2fb518559b7a4d9d25b1 (patch)
tree99c8457d4e34c65931aa38d13bb41b1121d9d88b /lib/test_firmware.c
parent76f8ab1bd1cb0be3233ab07790c3108d986aeabf (diff)
downloadlinux-a5e1923356505e46476c2fb518559b7a4d9d25b1.tar.gz
test_firmware: fix missing unlock on error in config_num_requests_store()
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")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/test_firmware.c')
-rw-r--r--lib/test_firmware.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 1e907dd3b4fe..078a61480573 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -371,6 +371,7 @@ static ssize_t config_num_requests_store(struct device *dev,
 	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);