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authorJiewei Ke <kejiewei.cn@gmail.com>2019-12-27 19:36:13 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:36:42 +0100
commitd1d92e97260ffc7d126f4fc0038a59eceebcae2b (patch)
tree811977c47a800cc6d481580930c30740d1ed08fa /drivers/infiniband/sw/rxe
parentc87c4d442b9f216ad9f67271075fdba33c817477 (diff)
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/rxe')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.h2
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 5c4b2239129c..b0a02d4c8b93 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];