On Fri, Mar 09, 2007 at 01:07:44PM -0800, Judith Lebzelter wrote:
> Hello,
>
> This patch is to fix an oops on insmod for mptsas during kexec.
> This applies to 2.6.21-rc3.
>
> Signed-off-by: Judith Lebzelter <[EMAIL PROTECTED]
>
> ---
>
>
> Index: linux-2.6.21-rc3/drivers/message/fusion/mptsas.c
> ===================================================================
> --- linux-2.6.21-rc3.orig/drivers/message/fusion/mptsas.c
> +++ linux-2.6.21-rc3/drivers/message/fusion/mptsas.c
> @@ -815,7 +815,7 @@ mptsas_taskmgmt_complete(MPT_ADAPTER *io
> static int
> mptsas_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
> {
> - MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
> + MPT_SCSI_HOST *hd;
> struct mptsas_target_reset_event *target_reset_list, *n;
> int rc;
>
> @@ -827,7 +827,10 @@ mptsas_ioc_reset(MPT_ADAPTER *ioc, int r
> if (reset_phase != MPT_IOC_POST_RESET)
> goto out;
>
> - if (!hd || !hd->ioc)
> + if (!ioc->sh || !ioc->sh->hostdata)
> + goto out;
> + hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
> + if (!hd->ioc)
This needs a much better explanation. Please show the codepath
leading to this.
-
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