diff options
| author | Li Haifeng <omycle@gmail.com> | 2014-12-10 15:44:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:08 -0800 |
| commit | a1ad28973d3d9fe23fa73fbb66fba077a987dd81 (patch) | |
| tree | 53bae97999593fcd65ff02132646477d0ad41dde | |
| parent | 26086de3fcc9694b9f9c1517e4fd5d1d33d6eb8c (diff) | |
mm/frontswap.c: fix the condition in BUG_ON
The largest index of swap device is MAX_SWAPFILES-1. So the type should
be less than MAX_SWAPFILES.
Signed-off-by: Haifeng Li <omycle@gmail.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/frontswap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/frontswap.c b/mm/frontswap.c index f2a3571c6e22..8d82809eb085 100644 --- a/mm/frontswap.c +++ b/mm/frontswap.c @@ -182,7 +182,7 @@ void __frontswap_init(unsigned type, unsigned long *map) if (frontswap_ops) frontswap_ops->init(type); else { - BUG_ON(type > MAX_SWAPFILES); + BUG_ON(type >= MAX_SWAPFILES); set_bit(type, need_init); } } |