[PATCH 1/2] spi: stm32-ospi: Fix reset control leak on probe error

From: Felix Gu

Date: Sat Mar 28 2026 - 12:07:42 EST


When spi_register_controller() fails after reset_control_acquire()
succeeds, the reset control is never released. This causes a resource
leak in the error path.

Add the missing reset_control_release() call in the error path.

Fixes: cf2c3eceb757 ("spi: stm32-ospi: Make usage of reset_control_acquire/release() API")
Signed-off-by: Felix Gu <ustc.gu@xxxxxxxxx>
---
drivers/spi/spi-stm32-ospi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index acf2d182e8b1..52997c3f7174 100644
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -960,13 +960,15 @@ static int stm32_ospi_probe(struct platform_device *pdev)
if (ret) {
/* Disable ospi */
writel_relaxed(0, ospi->regs_base + OSPI_CR);
- goto err_pm_resume;
+ goto err_reset_control;
}

pm_runtime_put_autosuspend(ospi->dev);

return 0;

+err_reset_control:
+ reset_control_release(ospi->rstc);
err_pm_resume:
pm_runtime_put_sync_suspend(ospi->dev);


--
2.43.0