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| author | Leon Romanovsky <leonro@mellanox.com> | 2020-07-20 20:56:27 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-24 16:53:02 -0300 |
| commit | 9b8d846924856570625b93f83ae0624391193bce (patch) | |
| tree | c2967e01c075b1a6d804622fc41485330d2e7a5b | |
| parent | 29f3fe1d6854053b32432d01f9810d6fff152ece (diff) | |
| download | linux-9b8d846924856570625b93f83ae0624391193bce.tar.bz2 | |
RDMA/uverbs: Silence shiftTooManyBitsSigned warning
Fix reported by kbuild warning.
drivers/infiniband/core/uverbs_cmd.c:1897:47: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31));
^
Link: https://lore.kernel.org/r/20200720175627.1273096-3-leon@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 119646478fa7..2fbc583d5bdd 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1897,7 +1897,7 @@ static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs) * Last bit is reserved for extending the attr_mask by * using another field. */ - BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); + BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1ULL << 31)); if (cmd.base.attr_mask & ~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1)) |