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authorTomas Henzl <thenzl@redhat.com>2014-05-28 18:04:20 +0200
committerChristoph Hellwig <hch@lst.de>2014-05-28 18:14:16 +0200
commit73d02c200b0e43762eae7a81e7f36d14adb26a37 (patch)
tree56d6bb585010478c45033d1ccab4ec4b894f7f48 /drivers/message
parente6842f09aa3fb00616980e501c471ec9098c5d69 (diff)
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/message')
-rw-r--r--drivers/message/fusion/mptctl.c6
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);

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