Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
chroot(2): switch to CLASS(filename)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
+4
-9
+4
-9
fs/open.c
+4
-9
fs/open.c
···
592
592
struct path path;
593
593
int error;
594
594
unsigned int lookup_flags = LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
595
-
struct filename *name = getname(filename);
595
+
CLASS(filename, name)(filename);
596
596
retry:
597
597
error = filename_lookup(AT_FDCWD, name, lookup_flags, &path, NULL);
598
598
if (error)
599
-
goto out;
599
+
return error;
600
600
601
601
error = path_permission(&path, MAY_EXEC | MAY_CHDIR);
602
602
if (error)
···
606
606
if (!ns_capable(current_user_ns(), CAP_SYS_CHROOT))
607
607
goto dput_and_out;
608
608
error = security_path_chroot(&path);
609
-
if (error)
610
-
goto dput_and_out;
611
-
612
-
set_fs_root(current->fs, &path);
613
-
error = 0;
609
+
if (!error)
610
+
set_fs_root(current->fs, &path);
614
611
dput_and_out:
615
612
path_put(&path);
616
613
if (retry_estale(error, lookup_flags)) {
617
614
lookup_flags |= LOOKUP_REVAL;
618
615
goto retry;
619
616
}
620
-
out:
621
-
putname(name);
622
617
return error;
623
618
}
624
619