The precedence of == is higher than that of &, so that code was
probably buggy.
xf86Init.c: In function 'DoModalias':
xf86Init.c:300: warning: suggest parentheses around comparison in operand of &
xf86Init.c:304: warning: suggest parentheses around comparison in operand of &
xf86Init.c:308: warning: suggest parentheses around comparison in operand of &
(cherry picked from commit ffaaa1a198)