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authorAl Viro <viro@zeniv.linux.org.uk>2022-06-06 07:30:50 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2023-04-21 05:55:35 +0300
commit96e85e95dc22d53650cbd499e963c70103c06738 (patch)
treea5896bbc244ce2d36bbd5be9b96580c7e462ce00 /fs/namespace.c
parent38e124086282715e3b9b3d193d9308bb3499b46c (diff)
downloadlinux-96e85e95dc22d53650cbd499e963c70103c06738.tar.xz
build_mount_idmapped(): switch to fdget()
Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namespace.c')
-rw-r--r--fs/namespace.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index bc0f15257b49..d26ea0d9041f 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -4197,7 +4197,7 @@ static int build_mount_idmapped(const struct mount_attr *attr, size_t usize,
int err = 0;
struct ns_common *ns;
struct user_namespace *mnt_userns;
- struct file *file;
+ struct fd f;
if (!((attr->attr_set | attr->attr_clr) & MOUNT_ATTR_IDMAP))
return 0;
@@ -4213,16 +4213,16 @@ static int build_mount_idmapped(const struct mount_attr *attr, size_t usize,
if (attr->userns_fd > INT_MAX)
return -EINVAL;
- file = fget(attr->userns_fd);
- if (!file)
+ f = fdget(attr->userns_fd);
+ if (!f.file)
return -EBADF;
- if (!proc_ns_file(file)) {
+ if (!proc_ns_file(f.file)) {
err = -EINVAL;
goto out_fput;
}
- ns = get_proc_ns(file_inode(file));
+ ns = get_proc_ns(file_inode(f.file));
if (ns->ops->type != CLONE_NEWUSER) {
err = -EINVAL;
goto out_fput;
@@ -4251,7 +4251,7 @@ static int build_mount_idmapped(const struct mount_attr *attr, size_t usize,
kattr->mnt_userns = get_user_ns(mnt_userns);
out_fput:
- fput(file);
+ fdput(f);
return err;
}