diff options
| author | Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> | 2017-05-10 19:39:49 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-13 03:48:00 +0300 |
| commit | 8c41b9b7987e404b3c922cf9d8ff941112051837 (patch) | |
| tree | 142afce8b205e4bbef6d58bd1f64180225ef71c4 /drivers/scsi/aacraid/commsup.c | |
| parent | 9473ddb2b037161b0bf16b60b37694f961fd6d48 (diff) | |
| download | linux-8c41b9b7987e404b3c922cf9d8ff941112051837.tar.xz | |
scsi: aacraid: Make sure ioctl returns on controller reset
Made sure that ioctl commands return in case of a controller reset.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index c48a245a6d47..1541ebc1efa2 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -803,11 +803,11 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback, if (aac_check_eeh_failure(dev)) return -EFAULT; - /* Only set for first known interruptable command */ - if (down_interruptible(&fibptr->event_wait)) { + fibptr->flags |= FIB_CONTEXT_FLAG_WAIT; + if (down_interruptible(&fibptr->event_wait)) fibptr->done = 2; - up(&fibptr->event_wait); - } + fibptr->flags &= ~(FIB_CONTEXT_FLAG_WAIT); + spin_lock_irqsave(&fibptr->event_lock, flags); if ((fibptr->done == 0) || (fibptr->done == 2)) { fibptr->done = 2; /* Tell interrupt we aborted */ @@ -1514,6 +1514,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type) int jafo = 0; int bled; u64 dmamask; + int num_of_fibs = 0; /* * Assumptions: @@ -1547,10 +1548,20 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type) /* * Loop through the fibs, close the synchronous FIBS */ - for (retval = 1, index = 0; index < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); index++) { + retval = 1; + num_of_fibs = aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB; + for (index = 0; index < num_of_fibs; index++) { + struct fib *fib = &aac->fibs[index]; - if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && - (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) { + __le32 XferState = fib->hw_fib_va->header.XferState; + bool is_response_expected = false; + + if (!(XferState & cpu_to_le32(NoResponseExpected | Async)) && + (XferState & cpu_to_le32(ResponseExpected))) + is_response_expected = true; + + if (is_response_expected + || fib->flags & FIB_CONTEXT_FLAG_WAIT) { unsigned long flagv; spin_lock_irqsave(&fib->event_lock, flagv); up(&fib->event_wait); |