| Message ID | 20210514081300.6650-1-thunder.leizhen@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] scsi: mpt3sas: Fix error return value in _scsih_expander_add() | expand |
Zhen, > When an expander does not contain any 'phys', an appropriate error > code -1 should be returned, as done elsewhere in this > function. However, we currently do not explicitly assign this error > code to 'rc'. As a result, 0 was incorrectly returned. Applied to 5.14/scsi-staging, thanks!
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index d00aca3c77cec22..a5f70f0e0287147 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -6884,8 +6884,10 @@ _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle) handle, parent_handle, (u64)sas_expander->sas_address, sas_expander->num_phys); - if (!sas_expander->num_phys) + if (!sas_expander->num_phys) { + rc = -1; goto out_fail; + } sas_expander->phy = kcalloc(sas_expander->num_phys, sizeof(struct _sas_phy), GFP_KERNEL); if (!sas_expander->phy) {
When an expander does not contain any 'phys', an appropriate error code -1 should be returned, as done elsewhere in this function. However, we currently do not explicitly assign this error code to 'rc'. As a result, 0 was incorrectly returned. Fixes: f92363d12359 ("[SCSI] mpt3sas: add new driver supporting 12GB SAS") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/scsi/mpt3sas/mpt3sas_scsih.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)