There is otherwise a risk of a possible null pointer dereference. Was largely found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <[email protected]> --- drivers/scsi/mpt2sas/mpt2sas_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index bde63f7..7ccc7e4 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -3581,7 +3581,9 @@ mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, } ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; - ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; + if (mpi_reply) { + ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; + } if (ioc_status != MPI2_IOCSTATUS_SUCCESS) ioc->port_enable_failed = 1; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
