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[net-next,v3,1/8] net: dpaa: Improve error reporting

Message ID 20230710071946.3470249-2-u.kleine-koenig@pengutronix.de (mailing list archive)
State Accepted
Commit 1e679b957ae244cd839b8792b589ea5a671482e8
Delegated to: Netdev Maintainers
Headers show
Series net: freescale: Convert to platform remove callback returning void | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 17 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Uwe Kleine-König July 10, 2023, 7:19 a.m. UTC
Instead of the generic error message emitted by the driver core when a
remove callback returns an error code ("remove callback returned a
non-zero value. This will be ignored."), emit a message describing the
actual problem and return zero to suppress the generic message.

Note that apart from suppressing the generic error message there are no
side effects by changing the return value to zero. This prepares
changing the remove callback to return void.

Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 431f8917dc39..e0e5bf0587fc 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -3516,6 +3516,9 @@  static int dpaa_remove(struct platform_device *pdev)
 	phylink_destroy(priv->mac_dev->phylink);
 
 	err = dpaa_fq_free(dev, &priv->dpaa_fq_list);
+	if (err)
+		dev_err(dev, "Failed to free FQs on remove (%pE)\n",
+			ERR_PTR(err));
 
 	qman_delete_cgr_safe(&priv->ingress_cgr);
 	qman_release_cgrid(priv->ingress_cgr.cgrid);
@@ -3528,7 +3531,7 @@  static int dpaa_remove(struct platform_device *pdev)
 
 	free_netdev(net_dev);
 
-	return err;
+	return 0;
 }
 
 static const struct platform_device_id dpaa_devtype[] = {