diff options
| -rw-r--r-- | kernel/futex.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/futex.c b/kernel/futex.c index 794c862125fe..0672ff88f159 100644 --- a/kernel/futex.c +++ b/kernel/futex.c | |||
| @@ -247,6 +247,7 @@ again: | |||
| 247 | if (err < 0) | 247 | if (err < 0) |
| 248 | return err; | 248 | return err; |
| 249 | 249 | ||
| 250 | page = compound_head(page); | ||
| 250 | lock_page(page); | 251 | lock_page(page); |
| 251 | if (!page->mapping) { | 252 | if (!page->mapping) { |
| 252 | unlock_page(page); | 253 | unlock_page(page); |