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IB/mlx4: Fix last allocated object tracking in bitmap allocator

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Set last allocated object to the object after the one just allocated
before ORing in the extra top bits.  Also handle the case where this
wraps around.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2007-05-29 16:07:09 -07:00
parent d998ccce02
commit a2cb4a98f2
1 changed files with 1 additions and 1 deletions
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2
drivers/net/mlx4/alloc.c
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@ -51,8 +51,8 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap)
if (obj < bitmap->max) {
set_bit(obj, bitmap->table);
bitmap->last = (obj + 1) & (bitmap->max - 1);
obj |= bitmap->top;
bitmap->last = obj + 1;
} else
obj = -1;