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authornagalakshmi.nandigama@lsi.com <nagalakshmi.nandigama@lsi.com>2011-12-01 07:43:58 +0530
committerJames Bottomley <JBottomley@Parallels.com>2011-12-15 10:57:32 +0400
commitf01690d31d905d46aaf2df8021a33231a71cd744 (patch)
tree05a0250988347c5a861cfbd10ff7a7129dde1080 /drivers/scsi/mpt2sas/mpt2sas_ctl.c
parent23edb6e71696a5da9c5f3987d22221e12370dbce (diff)
downloadblackbird-op-linux-f01690d31d905d46aaf2df8021a33231a71cd744.tar.gz
blackbird-op-linux-f01690d31d905d46aaf2df8021a33231a71cd744.zip
[SCSI] mpt2sas: Rearrange the the code so that the completion queues are initialized prior to sending the request to controller firmware
Signed-off-by: Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_ctl.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index aabcb911706e..7fceb899029e 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -818,6 +818,7 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
_ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
#endif
+ init_completion(&ioc->ctl_cmds.done);
switch (mpi_request->Function) {
case MPI2_FUNCTION_SCSI_IO_REQUEST:
case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
@@ -903,7 +904,6 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc,
timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
else
timeout = karg.timeout;
- init_completion(&ioc->ctl_cmds.done);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
timeout*HZ);
if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
@@ -1477,8 +1477,8 @@ _ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
mpi_request->ProductSpecific[i] =
cpu_to_le32(ioc->product_specific[buffer_type][i]);
- mpt2sas_base_put_smid_default(ioc, smid);
init_completion(&ioc->ctl_cmds.done);
+ mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
@@ -1821,8 +1821,8 @@ _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
- mpt2sas_base_put_smid_default(ioc, smid);
init_completion(&ioc->ctl_cmds.done);
+ mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
@@ -2095,8 +2095,8 @@ _ctl_diag_read_buffer(void __user *arg, enum block_state state)
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
- mpt2sas_base_put_smid_default(ioc, smid);
init_completion(&ioc->ctl_cmds.done);
+ mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
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