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RDMA/rxe: Fix error type of mmap_offset

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[ 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>
This commit is contained in:
Jiewei Ke 2019-12-27 19:36:13 +08:00 • committed by Greg Kroah-Hartman
commit d1d92e9726
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/sw/rxe/rxe_verbs.h
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@ -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];