Commit a2cb4a98 authored May 29, 2007 by Roland Dreier

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>

parent d998ccce

drivers/net/mlx4/alloc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;