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| author | Jiewei Ke <kejiewei.cn@gmail.com> | 2019-12-27 19:36:13 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-24 08:34:44 +0100 |
| commit | 1a0ea3b872f8408cad3e9187958d6ea0e848a11e (patch) | |
| tree | 378c1dac5ae23c479cc32fc864ea3d2cc2027764 /drivers/infiniband/sw | |
| parent | 14e843570f05168ae1b915cc43dae75d692dda8e (diff) | |
| download | linux-1a0ea3b872f8408cad3e9187958d6ea0e848a11e.tar.gz linux-1a0ea3b872f8408cad3e9187958d6ea0e848a11e.tar.bz2 linux-1a0ea3b872f8408cad3e9187958d6ea0e848a11e.zip | |
RDMA/rxe: Fix error type of mmap_offset
[ Upstream commit 6ca18d8927d468c763571f78c9a7387a69ffa020 ]
The type of mmap_offset should be u64 instead of int to match the type of
mminfo.offset. If otherwise, after we create several thousands of CQs, it
will run into overflow issues.
Link: https://lore.kernel.org/r/20191227113613.5020-1-kejiewei.cn@gmail.com
Signed-off-by: Jiewei Ke <kejiewei.cn@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/sw')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_verbs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 6a75f96b9096..b4e24362edbb 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -407,7 +407,7 @@ struct rxe_dev { struct list_head pending_mmaps; spinlock_t mmap_offset_lock; /* guard mmap_offset */ - int mmap_offset; + u64 mmap_offset; atomic64_t stats_counters[RXE_NUM_OF_COUNTERS]; |