summaryrefslogtreecommitdiff
path: root/fs/hugetlbfs/inode.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-17 09:47:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-17 09:47:44 +0200
commitd8218b0de51f36f01ed67731ccf174059a33bb1e (patch)
treeb38b8856852ab651c4297c33ba47a49ca4dde419 /fs/hugetlbfs/inode.c
parent76e78f3df8f5d21b1a85f770fa92a1fd211e429b (diff)
parentd07f6ca923ea0927a1024dfccafc5b53b61cfecc (diff)
Merge 5.13-rc2 into staging-next
We need the staging and iio fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a2a42335e8fd..9d9e0097c1d3 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -131,6 +131,7 @@ static void huge_pagevec_release(struct pagevec *pvec)
static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
struct inode *inode = file_inode(file);
+ struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode);
loff_t len, vma_len;
int ret;
struct hstate *h = hstate_file(file);
@@ -146,6 +147,10 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND;
vma->vm_ops = &hugetlb_vm_ops;
+ ret = seal_check_future_write(info->seals, vma);
+ if (ret)
+ return ret;
+
/*
* page based offset in vm_pgoff could be sufficiently large to
* overflow a loff_t when converted to byte offset. This can