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(parent: 893c1a6) | patch
IB/core: Avoid unsigned int overflow in sg_alloc_table
authorMark Bloch <markb@mellanox.com>
Thu, 27 Oct 2016 13:36:31 +0000 (16:36 +0300)
committerDoug Ledford <dledford@redhat.com>
Thu, 17 Nov 2016 01:03:44 +0000 (20:03 -0500)
commit9d4d15a04c26590d64598281e2ff66ec7af6ab21
tree36e6c1ab64e36f899718b69ce3b6b989c2c13bf1tree | snapshot
parent893c1a6a99944254b1c9f1d6c0f4af81a141516dcommit | diff
IB/core: Avoid unsigned int overflow in sg_alloc_table

sg_alloc_table gets unsigned int as parameter while the driver
returns it as size_t. Check npages isn't greater than maximum
unsigned int.

Fixes: 092e9f351d1f ("IB: Refactor umem to use linear SG table")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/umem.c diff | blob | history
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