On Mon, Mar 13, 2023 at 04:26:02PM +0100, Jakob Koschel wrote: > If potentially no valid element is found, 'priv_rx' would contain an > invalid pointer past the iterator loop. To ensure 'priv_rx' is always > valid, we only set it if the correct element was found. That allows > adding a WARN_ON() in case the code works incorrectly, exposing > currently undetectable potential bugs. > > Additionally, Linus proposed to avoid any use of the list iterator > variable after the loop, in the attempt to move the list iterator > variable declaration into the macro to avoid any potential misuse after > the loop [1]. > > Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@xxxxxxxxxxxxxx/ [1] > Signed-off-by: Jakob Koschel <jkl820.git@xxxxxxxxx> > --- > drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>