tree ff10db5bc25c1aa3e7cc5c8dac6807d76fd7f506
parent 5a75983eef1193c43caebde6643a218bd8d8390e
author Andi Kleen <ak@suse.de> 1194303056 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1194304352 -0800

Fix bitmap_scnlistprintf for empty masks

When a bitmap is empty bitmap_scnlistprintf() would leave the buffer
uninitialized.  Set it to an empty string in this case.

I didn't see any in normal kernel callers hitting this, but some custom
debug code of mine did.

Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>