linux-kernel - [PATCH v1 1/2] spi: propagate error code to the caller of acpi_spi_device

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Date:   Sat,  9 Jul 2022 03:07:08 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/2] spi: propagate error code to the caller of acpi_spi_device_alloc()

Since acpi_spi_device_alloc() has been designed to return an error
pointer we may now properly propagate error codes to the caller of
it. It helps debugging a lot.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/spi/spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 0690f018c413..d4a8665410ea 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2565,7 +2565,7 @@ struct spi_device *acpi_spi_device_alloc(struct spi_controller *ctlr,
 
 	if (ret < 0)
 		/* Found SPI in _CRS but it points to another controller */
-		return ERR_PTR(-ENODEV);
+		return ERR_PTR(ret);
 
 	if (!lookup.max_speed_hz &&
 	    ACPI_SUCCESS(acpi_get_parent(adev->handle, &parent_handle)) &&
-- 
2.35.1