On 3/1/21 04:30, Johannes Thumshirn wrote: >> diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c >> index 3cbc074992bc..689e503e3301 100644 >> --- a/drivers/target/target_core_pscsi.c >> +++ b/drivers/target/target_core_pscsi.c >> @@ -620,8 +620,9 @@ static void pscsi_complete_cmd(struct se_cmd *cmd, u8 scsi_status, >> unsigned char *buf; >> >> buf = transport_kmap_data_sg(cmd); >> - if (!buf) >> + if (!buf) { >> ; /* XXX: TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE */ >> + } >> >> if (cdb[0] == MODE_SENSE_10) { >> if (!(buf[3] & 0x80)) >> > Do you have any plans to actually address that XXX? Because if > transport_kmap_data_sg() fails (and it can fail for various reasons) > and we get a MODE_SENSE_10 we'll trip over a NULL pointer. > > I know this is outside of the scope of this patchset, but would be nice anyways. > Yes we I can try and fix that, but surprisingly parse cmd return type is void. It maybe a bigger change will keep it separate. Thanks for the reviews.