We added a new error path here but we forgot to drop the lock first
before returning.
Fixes: 0d44374c1aae ("tcmu: fix double se_cmd completion")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 07f2d95f7ae7..cc2468a299d3 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -888,6 +888,7 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd)
ret = tcmu_setup_cmd_timer(tcmu_cmd);
if (ret) {
tcmu_cmd_free_data(tcmu_cmd, tcmu_cmd->dbi_cnt);
+ mutex_unlock(&udev->cmdr_lock);
return TCM_OUT_OF_RESOURCES;
}
entry->hdr.cmd_id = tcmu_cmd->cmd_id;
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