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-rw-r--r--lib/test_firmware.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 1c5a2adb16ef..7556f981ff19 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -894,6 +894,11 @@ static ssize_t trigger_batched_requests_store(struct device *dev,
mutex_lock(&test_fw_mutex);
+ if (test_fw_config->reqs) {
+ rc = -EBUSY;
+ goto out_bail;
+ }
+
test_fw_config->reqs =
vzalloc(array3_size(sizeof(struct test_batched_req),
test_fw_config->num_requests, 2));
@@ -992,6 +997,11 @@ ssize_t trigger_batched_requests_async_store(struct device *dev,
mutex_lock(&test_fw_mutex);
+ if (test_fw_config->reqs) {
+ rc = -EBUSY;
+ goto out_bail;
+ }
+
test_fw_config->reqs =
vzalloc(array3_size(sizeof(struct test_batched_req),
test_fw_config->num_requests, 2));