diff options
Diffstat (limited to 'kernel/file.c')
| -rw-r--r-- | kernel/file.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/file.c b/kernel/file.c index a886546..e7de38a 100644 --- a/kernel/file.c +++ b/kernel/file.c @@ -508,6 +508,10 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf, unsigned offset = user_addr & ~PAGE_MASK; int npages; + /* This doesn't work with nfsd */ + if (!current->mm) + return -EPERM; + nbytes = min(nbytes, (unsigned) FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT); npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT; npages = min(npages, FUSE_MAX_PAGES_PER_REQ); |