diff options
| author | James Smart <james.smart@emulex.com> | 2013-10-10 12:20:35 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 09:58:17 +0100 |
| commit | 4902b381c6c99e5edaca1e2549f0a5149d90feec (patch) | |
| tree | 1d9918123ebea6427bff3b727cb2078b7b9a2f8a | |
| parent | f7bc6434e20589596efbc1fc2bde6d0d78d6168c (diff) | |
[SCSI] lpfc 8.3.43: Fixed spinlock inversion problem.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 612f48973ff..5efe12e87a1 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -15098,6 +15098,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) uint16_t max_rpi, rpi_limit; uint16_t rpi_remaining, lrpi = 0; struct lpfc_rpi_hdr *rpi_hdr; + unsigned long iflag; max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; rpi_limit = phba->sli4_hba.next_rpi; @@ -15106,7 +15107,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) * Fetch the next logical rpi. Because this index is logical, * the driver starts at 0 each time. */ - spin_lock_irq(&phba->hbalock); + spin_lock_irqsave(&phba->hbalock, iflag); rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); if (rpi >= rpi_limit) rpi = LPFC_RPI_ALLOC_ERROR; @@ -15122,7 +15123,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) */ if ((rpi == LPFC_RPI_ALLOC_ERROR) && (phba->sli4_hba.rpi_count >= max_rpi)) { - spin_unlock_irq(&phba->hbalock); + spin_unlock_irqrestore(&phba->hbalock, iflag); return rpi; } @@ -15131,7 +15132,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) * extents. */ if (!phba->sli4_hba.rpi_hdrs_in_use) { - spin_unlock_irq(&phba->hbalock); + spin_unlock_irqrestore(&phba->hbalock, iflag); return rpi; } @@ -15142,7 +15143,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) * how many are supported max by the device. */ rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; - spin_unlock_irq(&phba->hbalock); + spin_unlock_irqrestore(&phba->hbalock, iflag); if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); if (!rpi_hdr) { |