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Subject[PATCH v3] scsi: mpt2sas: wait_for_completion_timeout timeout not reported
Date
wait_for_completion_timeout reaching timeout was being ignored,
this also should fail if timeout condition occurs.

v3: proper labeling and attribution - no change of actual patch

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

Acked-by: Joe Lawrence <joe.lawrence@stratus.com>
Signed-off-by: Nicholas Mc Guire <der.herr@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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