[SCSI] bfa: Fix endian bug in bfad_iocmd_debug_fw_core().
Casting pointer from native data type to other type is
endian-sensitive.
"iocmd->offset" is 64 bit but we use only first 32 bit.
It works in little-endian system but in big-endian system
it will break.
Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Acked-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index 8005c6c..f62cf49 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -1918,6 +1918,7 @@
struct bfa_bsg_debug_s *iocmd = (struct bfa_bsg_debug_s *)cmd;
void *iocmd_bufptr;
unsigned long flags;
+ u32 offset;
if (bfad_chk_iocmd_sz(payload_len, sizeof(struct bfa_bsg_debug_s),
BFA_DEBUG_FW_CORE_CHUNK_SZ) != BFA_STATUS_OK) {
@@ -1935,8 +1936,10 @@
iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_debug_s);
spin_lock_irqsave(&bfad->bfad_lock, flags);
+ offset = iocmd->offset;
iocmd->status = bfa_ioc_debug_fwcore(&bfad->bfa.ioc, iocmd_bufptr,
- (u32 *)&iocmd->offset, &iocmd->bufsz);
+ &offset, &iocmd->bufsz);
+ iocmd->offset = offset;
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
out:
return 0;