scsi: bsg: Fix errno when scsi_bsg_register_queue() fails

[ Upstream commit 5f7cf82c1d7373fcf9e1062f5654efd5fa2b9211 ]

When the value of error is printed, it will always be 0. We should print
the correct error code when scsi_bsg_register_queue() fails.

Link: https://lore.kernel.org/r/20211022010201.426746-1-liu.yun@linux.dev
Fixes: ead09dd3aed5 ("scsi: bsg: Simplify device registration")
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index a35841b..8bb79cc 100644 (file)
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1388,6 +1388,7 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
                         * We're treating error on bsg register as non-fatal, so
                         * pretend nothing went wrong.
                         */
+                       error = PTR_ERR(sdev->bsg_dev);
                        sdev_printk(KERN_INFO, sdev,
                                    "Failed to register bsg queue, errno=%d\n",
                                    error);