wait_for_completion_timeout reaching timeout was being ignored,
this also should fail if timeout condition occurs.
Thanks to Joe Lawrence <joe.lawre...@stratus.com> for confirmation.
this was only compile tested with
x86_64_defconfig + CONFIG_SCSI_LOWLEVEL=y + CONFIG_SCSI_MPT2SAS=m
patch is against linux-next 3.19.0-rc1 -next-20141226
Signed-off-by: Nicholas Mc Guire <der.h...@hofr.at>
---
drivers/scsi/mpt2sas/mpt2sas_config.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c
b/drivers/scsi/mpt2sas/mpt2sas_config.c
index c72a2ff..02dc2d8 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_config.c
@@ -391,7 +391,7 @@ _config_request(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigRequest_t
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
timeout*HZ);
- if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
+ if (timeleft == 0 || !(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
--
1.7.10.4
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