Commit 6ca18d89 authored Dec 27, 2019 by Jiewei Ke Committed by Jason Gunthorpe Jan 03, 2020

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 <kejiewei.cn@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

parent 2ab367a7

drivers/infiniband/sw/rxe/rxe_verbs.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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];

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