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authorLeon Romanovsky <[email protected]>2020-07-20 20:56:27 +0300
committerJason Gunthorpe <[email protected]>2020-07-24 16:53:02 -0300
commit9b8d846924856570625b93f83ae0624391193bce (patch)
treec2967e01c075b1a6d804622fc41485330d2e7a5b
parent29f3fe1d6854053b32432d01f9810d6fff152ece (diff)
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/[email protected] Reported-by: kernel test robot <[email protected]> Signed-off-by: Leon Romanovsky <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]>
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c2
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))