[PATCH] spi: spi-xilinx: fix for_each_child.cocci warnings

From: Julia Lawall
Date: Sun Jun 26 2022 - 10:19:01 EST


From: kernel test robot <lkp@xxxxxxxxx>

for_each_available_child_of_node should have of_node_put() before return around line 697.
for_each_available_child_of_node should have of_node_put() before break around line 703.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Fixes: 3973536c4560 ("spi: spi-xilinx: Updated axi-qspi controller driver")
CC: Amit Kumar Mahapatra <amit.kumar-mahapatra@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxxx>
---

tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS
head: 59523b5c4aca0174f1f8cba2a07d3b3328b7c80e
commit: 3973536c456079bf3d09e9a97bf33d29422b183f [861/1181] spi: spi-xilinx: Updated axi-qspi controller driver
:::::: branch date: 5 days ago
:::::: commit date: 5 months ago

Please take the patch only if it's a positive warning. Thanks!

drivers/spi/spi-xilinx.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -693,13 +693,16 @@ static int xilinx_spi_probe(struct platf
if (startup_block) {
ret = of_property_read_u32(nc, "reg",
&cs_num);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(nc);
return -EINVAL;
+ }
}
ret = of_property_read_u32(nc, "spi-rx-bus-width",
&rx_bus_width);
if (!ret) {
xspi->rx_bus_width = rx_bus_width;
+ of_node_put(nc);
break;
}
}