On Wed, 2020-03-18 at 13:05 +1100, Stephen Rothwell wrote: > Hi all, > > On Mon, 16 Mar 2020 10:39:13 +1100 Stephen Rothwell < > sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > > > After merging the mlx5-next tree, today's linux-next build (x86_64 > > allmodconfig) produced this warning: > > > > In file included from include/linux/printk.h:331, > > from include/linux/kernel.h:15, > > from > > drivers/net/ethernet/mellanox/mlx5/core/mr.c:33: > > drivers/net/ethernet/mellanox/mlx5/core/mr.c: In function > > 'mlx5_core_create_mkey': > > include/linux/dynamic_debug.h:157:25: warning: 'key' may be used > > uninitialized in this function [-Wmaybe-uninitialized] > > 157 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ > > | ^~~~~~~~~~~~~~~~~ > > drivers/net/ethernet/mellanox/mlx5/core/mr.c:47:5: note: 'key' was > > declared here > > 47 | u8 key; > > | ^~~ > > > > Probably introduced by commit > > > > fc6a9f86f08a ("{IB,net}/mlx5: Assign mkey variant in mlx5_ib > > only") > > This warning now appears in the rdma tree. > thanks Stephen, actuall a fix patch was merged yesterday into mlx5-next [1] and should already be in linux-next build, and will soon land in rdma tree. Thanks, Saeed. [1] https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/commit/?h=mlx5-next&id=826096d84f509d95ee8f72728fe19c44fbb9df6b