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authoradam radford <aradford@gmail.com>2012-01-07 01:02:34 (GMT)
committerJames Bottomley <JBottomley@Parallels.com>2012-01-16 07:27:46 (GMT)
commit882be7c3be72f6d72ae7a81e707154287ea5d289 (patch)
tree16a1c2613cbcc51067760c4f6e6ff1a7bf5cf5e0
parent0d4c24cc1bf62e75fdb31e73c68daa50e0877564 (diff)
downloadlinux-882be7c3be72f6d72ae7a81e707154287ea5d289.tar.xz
[SCSI] megaraid_sas: mask off flags in ioctl path
Mask off flags in the ioctl path to prevent memory scribble with older MegaCLI versions. Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 29a994f..2bdc707 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -4773,6 +4773,8 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
cmd->frame->hdr.context = cmd->index;
cmd->frame->hdr.pad_0 = 0;
+ cmd->frame->hdr.flags &= ~(MFI_FRAME_IEEE | MFI_FRAME_SGL64 |
+ MFI_FRAME_SENSE64);
/*
* The management interface between applications and the fw uses