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powerpc/83xx: Add missing of_node_put() in mpc832x_spi_init()

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In mpc832x_spi_init(), hold the reference returned by
of_find_compatible_node() and use it to call of_node_put() for refcount
balance.

Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220621080932.4081935-1-windhl@126.com
This commit is contained in:
Liang He 2022-06-21 16:09:32 +08:00 committed by Michael Ellerman
parent cc0dd82c18
commit 24156df00d
1 changed files with 5 additions and 1 deletions
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6
arch/powerpc/platforms/83xx/mpc832x_rdb.c
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@ -162,6 +162,8 @@ static struct spi_board_info mpc832x_spi_boardinfo = {
static int __init mpc832x_spi_init(void)
{
struct device_node *np;
par_io_config_pin(3, 0, 3, 0, 1, 0); /* SPI1 MOSI, I/O */
par_io_config_pin(3, 1, 3, 0, 1, 0); /* SPI1 MISO, I/O */
par_io_config_pin(3, 2, 3, 0, 1, 0); /* SPI1 CLK, I/O */
@ -175,7 +177,9 @@ static int __init mpc832x_spi_init(void)
* Don't bother with legacy stuff when device tree contains
* mmc-spi-slot node.
*/
if (of_find_compatible_node(NULL, NULL, "mmc-spi-slot"))
np = of_find_compatible_node(NULL, NULL, "mmc-spi-slot");
of_node_put(np);
if (np)
return 0;
return fsl_spi_init(&mpc832x_spi_boardinfo, 1, mpc83xx_spi_cs_control);
}