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(parent: 6c976c3) | patch
IB/uverbs: Use u64_to_user_ptr() not a union
authorJason Gunthorpe <jgg@mellanox.com>
Tue, 13 Feb 2018 10:18:31 +0000 (12:18 +0200)
committerJason Gunthorpe <jgg@mellanox.com>
Thu, 15 Feb 2018 21:59:45 +0000 (14:59 -0700)
commit2f36028ce98ef8e9c04809cc20b9dc498cc1a508
tree72e1fb9014573f63e80d6558dcd4826239202849tree | snapshot
parent6c976c30ad1c205bd6e34182c5ba9a1267d752cacommit | diff
IB/uverbs: Use u64_to_user_ptr() not a union

The union approach will get the endianness wrong sometimes if the kernel's
pointer size is 32 bits resulting in EFAULTs when trying to copy to/from
user.

Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
drivers/infiniband/core/uverbs_std_types.c diff | blob | history
include/rdma/uverbs_ioctl.h diff | blob | history
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