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/[email protected] Signed-off-by: Jiewei Ke <[email protected]> Reviewed-by: Jason Gunthorpe <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
PixelExperience-Devices · Feb 28, 2020 · f25708d · f25708d
1 parent 4a718f3
commit f25708d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -422,7 +422,7 @@ struct rxe_dev {
 	struct list_head	pending_mmaps;
 
 	spinlock_t		mmap_offset_lock; /* guard mmap_offset */
-	int			mmap_offset;
+	u64			mmap_offset;
 
 	struct rxe_port		port;
 	struct list_head	list;