Fixed spinlock inversion problem.
Signed-off-by: James Smart <james.smart@xxxxxxxxxx>
---
lpfc_sli.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
--- a/drivers/scsi/lpfc/lpfc_sli.c 2013-10-09 10:39:20.000000000 -0400
+++ b/drivers/scsi/lpfc/lpfc_sli.c 2013-10-09 17:25:28.940650536 -0400
@@ -15098,6 +15098,7 @@ lpfc_sli4_alloc_rpi(struct lpfc_hba *phb
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 *phb
* 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 *phb
*/
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 *phb
* 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 *phb
* 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) {
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
