Message ID | 1454572457-1520-1-git-send-email-agruenba@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, 4 Feb 2016, Andreas Gruenbacher wrote: > From: Mateusz Guzik <mguzik@redhat.com> > > The code could leak xattrs->lock on error. > > Problem introduced with 786534b92f3ce68f4 "tmpfs: listxattr should > include POSIX ACL xattrs". > > Signed-off-by: Mateusz Guzik <mguzik@redhat.com> > Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> > Cc: <stable@vger.kernel.org> # 4.4 Acked-by: James Morris <james.l.morris@oracle.com>
diff --git a/fs/xattr.c b/fs/xattr.c index 07d0e47..4861322 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -940,7 +940,7 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, bool trusted = capable(CAP_SYS_ADMIN); struct simple_xattr *xattr; ssize_t remaining_size = size; - int err; + int err = 0; #ifdef CONFIG_FS_POSIX_ACL if (inode->i_acl) { @@ -965,11 +965,11 @@ ssize_t simple_xattr_list(struct inode *inode, struct simple_xattrs *xattrs, err = xattr_list_one(&buffer, &remaining_size, xattr->name); if (err) - return err; + break; } spin_unlock(&xattrs->lock); - return size - remaining_size; + return err ? err : size - remaining_size; } /*