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[SCSI] megaraid_sas: mask off flags in ioctl path

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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>
This commit is contained in:
adam radford 2012-01-06 17:02:34 -08:00 committed by James Bottomley
parent 0d4c24cc1b
commit 882be7c3be
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/megaraid/megaraid_sas_base.c
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@ -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