This is a note to let you know that I've just added the patch titled scsi: hpsa: Fix error handling in hpsa_add_sas_host() to the 4.9-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-hpsa-fix-error-handling-in-hpsa_add_sas_host.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit fe942e5d43262fdba9ec32f708636307362f8ac3 Author: Yang Yingliang <yangyingliang@xxxxxxxxxx> Date: Thu Nov 10 23:11:29 2022 +0800 scsi: hpsa: Fix error handling in hpsa_add_sas_host() [ Upstream commit 4ef174a3ad9b5d73c1b6573e244ebba2b0d86eac ] hpsa_sas_port_add_phy() does: ... sas_phy_add() -> may return error here sas_port_add_phy() ... Whereas hpsa_free_sas_phy() does: ... sas_port_delete_phy() sas_phy_delete() ... If hpsa_sas_port_add_phy() returns an error, hpsa_free_sas_phy() can not be called to free the memory because the port and the phy have not been added yet. Replace hpsa_free_sas_phy() with sas_phy_free() and kfree() to avoid kernel crash in this case. Fixes: d04e62b9d63a ("hpsa: add in sas transport class") Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221110151129.394389-1-yangyingliang@xxxxxxxxxx Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 7f1d6d52d48b..5e11500eae19 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -9837,7 +9837,8 @@ static int hpsa_add_sas_host(struct ctlr_info *h) return 0; free_sas_phy: - hpsa_free_sas_phy(hpsa_sas_phy); + sas_phy_free(hpsa_sas_phy->phy); + kfree(hpsa_sas_phy); free_sas_port: hpsa_free_sas_port(hpsa_sas_port); free_sas_node: