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path: root/drivers/scsi/aacraid/dpcsup.c
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Diffstat (limited to 'drivers/scsi/aacraid/dpcsup.c')
-rw-r--r--drivers/scsi/aacraid/dpcsup.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c
index d81b2810f0f7..da9d9936e995 100644
--- a/drivers/scsi/aacraid/dpcsup.c
+++ b/drivers/scsi/aacraid/dpcsup.c
@@ -84,7 +84,7 @@ unsigned int aac_response_normal(struct aac_queue * q)
* continue. The caller has already been notified that
* the fib timed out.
*/
- dev->queues->queue[AdapNormCmdQueue].numpending--;
+ atomic_dec(&dev->queues->queue[AdapNormCmdQueue].numpending);
if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
spin_unlock_irqrestore(q->lock, flags);
@@ -354,7 +354,7 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
* continue. The caller has already been notified that
* the fib timed out.
*/
- dev->queues->queue[AdapNormCmdQueue].numpending--;
+ atomic_dec(&dev->queues->queue[AdapNormCmdQueue].numpending);
if (unlikely(fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) {
aac_fib_complete(fib);
@@ -389,8 +389,13 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
* NOTE: we cannot touch the fib after this
* call, because it may have been deallocated.
*/
- fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
- fib->callback(fib->callback_data, fib);
+ if (likely(fib->callback && fib->callback_data)) {
+ fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
+ fib->callback(fib->callback_data, fib);
+ } else {
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ }
} else {
unsigned long flagv;
dprintk((KERN_INFO "event_wait up\n"));