[SCSI] lpfc 8.3.3 : Fix a couple of spin_lock and memory issues and a crash
Contains the following changes:
- Fixed error paths retaking a spin lock which they already hold
- Added code to free memory in a couple of error paths
- Added code to free RPI bit map while unloading driver
- Added code to write zero to memory object allocated through dma_alloc_coherent
- Fixed crash/hang with target or LUN resets
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index bb3dc1d..3423571 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1631,6 +1631,7 @@
/* In case of malloc fails, proceed with whatever we have */
if (!viraddr)
break;
+ memset(viraddr, 0, PAGE_SIZE);
mbox->sge_array->addr[pagen] = viraddr;
/* Keep the first page for later sub-header construction */
if (pagen == 0)