linux-kernel - [PATCH] Add error checking to sysfs_update_group in drivers/scsi/scsi_transport

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Message-Id: <20230216201259.405939-1-hussein@unixcat.org>
Date:   Fri, 17 Feb 2023 04:12:59 +0800
From:   Nur Hussein <hussein@...xcat.org>
To:     jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Nur Hussein <hussein@...xcat.org>
Subject: [PATCH] Add error checking to sysfs_update_group in drivers/scsi/scsi_transport_spi.c

An instance of sysfs_update_group now checks the result and on error,
logs it via pr_err().

Signed-off-by: Nur Hussein <hussein@...xcat.org>
---
 drivers/scsi/scsi_transport_spi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 2442d4d2e3f3..f905b4787a42 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -1559,8 +1559,9 @@ static int spi_target_configure(struct transport_container *tc,
 {
 	struct kobject *kobj = &cdev->kobj;
 
-	/* force an update based on parameters read from the device */
-	sysfs_update_group(kobj, &target_attribute_group);
+	/* force an update based on parameters read from the device, log an error on failure */
+	if (sysfs_update_group(kobj, &target_attribute_group))
+		pr_err("Unable to update sysfs entries\n");
 
 	return 0;
 }
-- 
2.34.1