From: Jiewei Ke Date: Fri, 27 Dec 2019 11:36:13 +0000 (+0800) Subject: RDMA/rxe: Fix error type of mmap_offset X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6ca18d8927d468c763571f78c9a7387a69ffa020;p=linux.git RDMA/rxe: Fix error type of mmap_offset 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 Reviewed-by: Jason Gunthorpe Signed-off-by: Jason Gunthorpe --- diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 95834206c80c3..92de39c4a7c1e 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -408,7 +408,7 @@ 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];