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| author |   Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 15:48:15 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-12-07 15:48:15 -0500 |
| commit | 34161db6b14d984fb9b06c735b7b42f8803f6851 (patch) | |
| tree | 99656278b6697f1cde5b05894b7c0ee22c63a00e /mm/nommu.c | |
| parent | SUNRPC: Remove pprintk() from net/sunrpc/xprt.c (diff) | |
| parent | [PATCH] A few small additions and corrections to README (diff) | |
| download | linux-dev-34161db6b14d984fb9b06c735b7b42f8803f6851.tar.xz linux-dev-34161db6b14d984fb9b06c735b7b42f8803f6851.zip | |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Conflicts:
include/linux/sunrpc/xprt.h
net/sunrpc/xprtsock.c
Fix up conflicts with the workqueue changes.
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 8bdde9508f3b..6a2a8aada401 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -497,15 +497,17 @@ static int validate_mmap_request(struct file *file, (flags & MAP_TYPE) != MAP_SHARED) return -EINVAL; - if (PAGE_ALIGN(len) == 0) - return addr; - - if (len > TASK_SIZE) + if (!len) return -EINVAL; + /* Careful about overflows.. */ + len = PAGE_ALIGN(len); + if (!len || len > TASK_SIZE) + return -ENOMEM; + /* offset overflow? */ if ((pgoff + (len >> PAGE_SHIFT)) < pgoff) - return -EINVAL; + return -EOVERFLOW; if (file) { /* validate file mapping requests */ |