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

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;