Re: [PATCH] spi: stm32-ospi: Fix an error handling path in stm32_ospi_probe()

From: Mukesh Kumar Savaliya
Date: Fri Apr 18 2025 - 09:17:30 EST




On 4/18/2025 5:50 PM, Christophe JAILLET wrote:
Le 18/04/2025 à 14:09, Mukesh Kumar Savaliya a écrit :


On 4/18/2025 4:57 PM, Christophe JAILLET wrote:
[...]
diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index 668022098b1e..9ec9823409cc 100644
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -960,6 +960,10 @@ static int stm32_ospi_probe(struct platform_device *pdev)
  err_pm_enable:
      pm_runtime_force_suspend(ospi->dev);
      mutex_destroy(&ospi->lock);
+    if (ospi->dma_chtx)
+        dma_release_channel(ospi->dma_chtx);
why can't you move to devm_dma_request_chan ? No need to cleanup.

Unless I miss something obvious, this function does not exist.

CJ

Yes, You are right. Seems the patch is yet not merged.

https://lore.kernel.org/all/20250115160244.1102881-1-csokas.bence@xxxxxxxxx/T/
dma: Add devm_dma_request_chan()

Can ignore it for now.
+    if (ospi->dma_chrx)
+        dma_release_channel(ospi->dma_chrx);
      return ret;
  }