[PATCH] spi: fsi: add a missing of_node_put

[Christophe JAILLET]

'for_each_available_child_of_node' performs an of_node_get on each
iteration, so a return from the middle of the loop requires an of_node_put.

Fixes: bbb6b2f9865b ("spi: Add FSI-attached SPI controller driver")
Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
---
 drivers/spi/spi-fsi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-fsi.c b/drivers/spi/spi-fsi.c
index de359718e816..87f8829c3995 100644
--- a/drivers/spi/spi-fsi.c
+++ b/drivers/spi/spi-fsi.c
@@ -566,8 +566,10 @@ static int fsi_spi_probe(struct device *dev)
                        continue;
 
                ctlr = spi_alloc_master(dev, sizeof(*ctx));
-               if (!ctlr)
+               if (!ctlr) {
+                       of_node_put(np);
                        break;
+               }
 
                ctlr->dev.of_node = np;
                ctlr->num_chipselect = of_get_available_child_count(np) ?: 1;
-- 
2.27.0