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| author | Tomas Henzl | 2014-05-28 18:04:20 +0200 |
|---|---|---|
| committer | Christoph Hellwig | 2014-05-28 18:14:16 +0200 |
| commit | 73d02c200b0e43762eae7a81e7f36d14adb26a37 (patch) | |
| tree | 56d6bb585010478c45033d1ccab4ec4b894f7f48 /drivers | |
| parent | acornscsi: remove linked command support (diff) | |
| download | kernel-qcow2-linux-73d02c200b0e43762eae7a81e7f36d14adb26a37.tar.gz kernel-qcow2-linux-73d02c200b0e43762eae7a81e7f36d14adb26a37.tar.xz kernel-qcow2-linux-73d02c200b0e43762eae7a81e7f36d14adb26a37.zip | |
mptfusion: fix msgContext in mptctl_hp_hostinfo
Hi,
without this patch the istwiRWRequest->MsgContext is always set to zero,
this patch saves the MsgContext in a msgcontext variable and then restores
the value.
Thanks to David Jeffery who found the issue and did the analysis.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Desai, Kashyap <Kashyap.Desai@lsi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/message/fusion/mptctl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index dcc8385adeb3..8a050e885688 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -2432,9 +2432,9 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) int rc, cim_rev; ToolboxIstwiReadWriteRequest_t *IstwiRWRequest; MPT_FRAME_HDR *mf = NULL; - MPIHeader_t *mpi_hdr; unsigned long timeleft; int retval; + u32 msgcontext; /* Reset long to int. Should affect IA64 and SPARC only */ @@ -2581,11 +2581,11 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size) } IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf; - mpi_hdr = (MPIHeader_t *) mf; + msgcontext = IstwiRWRequest->MsgContext; memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t)); + IstwiRWRequest->MsgContext = msgcontext; IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX; IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL; - IstwiRWRequest->MsgContext = mpi_hdr->MsgContext; IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ; IstwiRWRequest->NumAddressBytes = 0x01; IstwiRWRequest->DataLength = cpu_to_le16(0x04); |