On Wed, 2016-09-28 at 11:00 -0700, David Decotigny wrote: > From: David Decotigny <[email protected]> > > This also can address following UBSAN warnings: > [ 36.640343] > ================================================================================ > [ 36.648772] UBSAN: Undefined behaviour in > drivers/net/ethernet/mellanox/mlx4/fw.c:857:26 > [ 36.656853] shift exponent 64 is too large for 32-bit type 'int' > [ 36.663348] > ================================================================================ > [ 36.671783] > ================================================================================ > [ 36.680213] UBSAN: Undefined behaviour in > drivers/net/ethernet/mellanox/mlx4/fw.c:861:27 > [ 36.688297] shift exponent 35 is too large for 32-bit type 'int' > [ 36.694702] > ================================================================================ > > Tested: > reboot with UBSAN, no warning. > > Signed-off-by: David Decotigny <[email protected]> > ---
CC: Tariq Toukan <[email protected]> (mlx4 maintainer) Note this patch was cooked/tested using net-next, but can be applied to net tree, with minor fuzz. Acked-by: Eric Dumazet <[email protected]> Thanks David.
