On Wed, Oct 22, 2014 at 9:34 PM, David Miller <da...@davemloft.net> wrote: > From: Geert Uytterhoeven <ge...@linux-m68k.org> > Date: Wed, 22 Oct 2014 09:39:41 +0200 > >> drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c: In function >> ‘xgene_enet_ecc_init’: >> drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c:126: warning: ‘data’ may >> be used uninitialized in this function >> >> Depending on the arbitrary value on the stack, the loop may terminate >> too early, and cause a bogus -ENODEV failure. >> >> Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org> >> --- >> v2: Rewrite the loop instead of pre-initializing data. > > I hate to be a pest, but like the other patch of your's I think > a do { } while() works best here because the intent is clearly > to run the loop at least once, right?
I wanted to avoid checking for "data != ~0U" twice: once to abort the loop, and once to check if a timeout happened. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/