Patch "scsi: hisi_sas: Replace with standard error code return value" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    scsi: hisi_sas: Replace with standard error code return value

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     scsi-hisi_sas-replace-with-standard-error-code-retur.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit db5609e44c4a684b665f4df7892fc2b75cbe0005
Author: Yihang Li <liyihang9@xxxxxxxxxx>
Date:   Thu Dec 14 11:45:13 2023 +0800

    scsi: hisi_sas: Replace with standard error code return value
    
    [ Upstream commit d34ee535705eb43885bc0f561c63046f697355ad ]
    
    In function hisi_sas_controller_prereset(), -ENOSYS (Function not
    implemented) should be returned if the driver does not support .soft_reset.
    Returns -EPERM (Operation not permitted) if HISI_SAS_RESETTING_BIT is
    already be set.
    
    In function _suspend_v3_hw(), returns -EPERM (Operation not permitted) if
    HISI_SAS_RESETTING_BIT is already be set.
    
    Fixes: 4522204ab218 ("scsi: hisi_sas: tidy host controller reset function a bit")
    Signed-off-by: Yihang Li <liyihang9@xxxxxxxxxx>
    Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/1702525516-51258-3-git-send-email-chenxiang66@xxxxxxxxxxxxx
    Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 19081790f011..530f61df109a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -1584,12 +1584,12 @@ EXPORT_SYMBOL_GPL(hisi_sas_controller_reset_done);
 static int hisi_sas_controller_prereset(struct hisi_hba *hisi_hba)
 {
 	if (!hisi_hba->hw->soft_reset)
-		return -1;
+		return -ENOENT;
 
 	down(&hisi_hba->sem);
 	if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags)) {
 		up(&hisi_hba->sem);
-		return -1;
+		return -EPERM;
 	}
 
 	if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 0e57381121d5..88af529ab100 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -4983,7 +4983,7 @@ static int _suspend_v3_hw(struct device *device)
 	}
 
 	if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
-		return -1;
+		return -EPERM;
 
 	scsi_block_requests(shost);
 	set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);




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