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SubjectRe: [PATCH] avoid negative (and full-width) shifts in radix-tree.c, take 3
On Wed, 29 Aug 2007, Peter Lund wrote:

>
> - if (tmp >= RADIX_TREE_INDEX_BITS)
> - index = ~0UL;
> - return index;
> + if (shift < 0)
> + return ~0UL;
> + if (shift >= 8 * sizeof(unsigned long))

8* sizeof(unsigned long) is the constant BITS_PER_LONG.
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