[PATCH 14/34] target: Stop execution if CMD_T_STOP has been set

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Stop execution in the unlikely scenario that CMD_T_STOP has been
set for a command just after the command has been added to the
device command list and before .write_pending() is called.

Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Andy Grover <agrover@xxxxxxxxxx>
Cc: David Disseldorp <ddiss@xxxxxxx>
---
 drivers/target/target_core_transport.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 55e1d3898bdd..f7b31cade25e 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2442,7 +2442,8 @@ transport_generic_new_cmd(struct se_cmd *cmd)
 		target_execute_cmd(cmd);
 		return 0;
 	}
-	transport_cmd_check_stop(cmd, false, true);
+	if (transport_cmd_check_stop(cmd, false, true))
+		return 0;
 
 	ret = cmd->se_tfo->write_pending(cmd);
 	if (ret == -EAGAIN || ret == -ENOMEM)
-- 
2.11.0

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