On Mon, Apr 17, 2017 at 11:21:35PM -0700, Greg Thelen wrote: > gcc 4.8.4 complains that mlx4_SW2HW_MPT_wrapper() uses an uninitialized > 'mpt' variable: > drivers/net/ethernet/mellanox/mlx4/resource_tracker.c: In function 'mlx4_SW2HW_MPT_wrapper': > drivers/net/ethernet/mellanox/mlx4/resource_tracker.c:2802:12: warning: 'mpt' may be used uninitialized in this function [-Wmaybe-uninitialized] > mpt->mtt = mtt; > > I think this warning is a false complaint. mpt is only used when > mr_res_start_move_to() return zero, and in all such cases it initializes > mpt. > But apparently gcc cannot see that. > > Initialize mpt to avoid the warning. > > Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx> > --- It looks like other callers of mr_res_start_move_to() have the same "uninitialized" variable. Thanks
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