[PATCH] spi: fsi: add a missing of_node_put

[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.jaillet@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

Re: [PATCH] spi: fsi: add a missing of_node_put

[Mark Brown]

On Tue, 20 Apr 2021 21:46:13 +0200, Christophe JAILLET wrote:
> '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.

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: fsi: add a missing of_node_put
      commit: 24b5515aa3ac075880be776bf36553ff7f9712c7

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark