[PATCH] media: ir_toy: fix a memleak in irtoy_tx

[Zhipeng Lu <alexious@xxxxxxxxxx>]

When irtoy_command fails, buf should be freed since it is allocated by irtoy_tx.
Or there would be a memleak.

Fixes: 4114978dcd24 ("media: ir_toy: prevent device from hanging during transmit")
Signed-off-by: Zhipeng Lu <alexious@xxxxxxxxxx>
---
 drivers/media/rc/ir_toy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c
index 196806709259..69e630d85262 100644
--- a/drivers/media/rc/ir_toy.c
+++ b/drivers/media/rc/ir_toy.c
@@ -332,6 +332,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
 			    sizeof(COMMAND_SMODE_EXIT), STATE_COMMAND_NO_RESP);
 	if (err) {
 		dev_err(irtoy->dev, "exit sample mode: %d\n", err);
+		kfree(buf);
 		return err;
 	}
 
@@ -339,6 +340,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
 			    sizeof(COMMAND_SMODE_ENTER), STATE_COMMAND);
 	if (err) {
 		dev_err(irtoy->dev, "enter sample mode: %d\n", err);
+		kfree(buf);
 		return err;
 	}
 
-- 
2.34.1