diff options
Diffstat (limited to 'fs/fs_context.c')
| -rw-r--r-- | fs/fs_context.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/fs_context.c b/fs/fs_context.c index a47ccd5a4a78..746a5871959c 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -662,6 +662,11 @@ static int legacy_get_tree(struct fs_context *fc) struct super_block *sb; struct dentry *root; + if (!(fc->sb_flags & (SB_KERNMOUNT|SB_SUBMOUNT))) { + if (!mount_capable(fc->fs_type, current_user_ns())) + return -EPERM; + } + root = fc->fs_type->mount(fc->fs_type, fc->sb_flags, fc->source, ctx->legacy_data); if (IS_ERR(root)) |