wait_for_completion_timeout reaching timeout was being ignored, this also should fail if timeout condition occurs. Thanks to Joe Lawrence <joe.lawrence@xxxxxxxxxxx> for confirmation. this was only compile tested with x86_64_defconfig + CONFIG_SCSI_LOWLEVEL=y + CONFIG_SCSI_MPT3SAS=m patch is against linux-next 3.19.0-rc1 -next-20141226 Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx> --- drivers/scsi/mpt3sas/mpt3sas_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c index 4472c2a..04ff21b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_config.c +++ b/drivers/scsi/mpt3sas/mpt3sas_config.c @@ -393,7 +393,7 @@ _config_request(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigRequest_t mpt3sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->config_cmds.done, timeout*HZ); - if (!(ioc->config_cmds.status & MPT3_CMD_COMPLETE)) { + if (timeleft == 0 || !(ioc->config_cmds.status & MPT3_CMD_COMPLETE)) { pr_err(MPT3SAS_FMT "%s: timeout\n", ioc->name, __func__); _debug_dump_mf(mpi_request, -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html