Commit 172d59ec authored by Grygorii Strashko's avatar Grygorii Strashko Committed by Vinod Koul
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dmaengine: ti: k3-psil: fix deadlock on error path 



The mutex_unlock() is missed on error path of psil_get_ep_config()
which causes deadlock, so add missed mutex_unlock().

Fixes: 8c6bb62f ("dmaengine: ti: k3 PSI-L remote endpoint configuration")
Signed-off-by: default avatarGrygorii Strashko <grygorii.strashko@ti.com>
Acked-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200408185501.30776-1-grygorii.strashko@ti.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent ae148b43

drivers/dma/ti/k3-psil.c

+1 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) 
			soc_ep_map = &j721e_ep_map;

		} else {

			pr_err("PSIL: No compatible machine found for map\n");

			mutex_unlock(&ep_map_mutex);

			return ERR_PTR(-ENOTSUPP);

		}

		pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name);