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| author | Bart Van Assche | 2015-08-11 02:07:27 +0200 |
|---|---|---|
| committer | Doug Ledford | 2015-08-31 00:12:37 +0200 |
| commit | f731ed62934ace0d3f5aa9ec557349171711be05 (patch) | |
| tree | a3e7332634f679faa18579d7da6a0e1bd7b0ea0b /drivers/infiniband/ulp/srp/ib_srp.h | |
| parent | IB/srp: Use multiple registrations for large memory regions (diff) | |
| download | kernel-qcow2-linux-f731ed62934ace0d3f5aa9ec557349171711be05.tar.gz kernel-qcow2-linux-f731ed62934ace0d3f5aa9ec557349171711be05.tar.xz kernel-qcow2-linux-f731ed62934ace0d3f5aa9ec557349171711be05.zip | |
IB/srp: Add memory descriptor array pointer range checking
Although most paths through which a request is submitted check
block layer parameters like the max_segments limit, these are
not checked when an SG_IO or direct I/O request is submitted.
Hence add a range check for the memory descriptor array pointer.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/ulp/srp/ib_srp.h')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index 17ee3f80ba55..2ab73bc76da1 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -282,8 +282,14 @@ struct srp_fr_pool { */ struct srp_map_state { union { - struct ib_pool_fmr **next_fmr; - struct srp_fr_desc **next_fr; + struct { + struct ib_pool_fmr **next; + struct ib_pool_fmr **end; + } fmr; + struct { + struct srp_fr_desc **next; + struct srp_fr_desc **end; + } fr; }; struct srp_direct_buf *desc; u64 *pages; |