um: Add missing EXPORT for free_irq_by_fd()

Fixes:
ERROR: "free_irq_by_fd" [arch/um/drivers/random.ko] undefined!

Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 980148d565370a99348098c5cec3652387bc2e89..6b7f3827d6e4add1993315c220bf96217bfb8986 100644 (file)
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -328,6 +328,7 @@ void free_irq_by_fd(int fd)
        garbage_collect_irq_entries();
        spin_unlock_irqrestore(&irq_lock, flags);
 }
+EXPORT_SYMBOL(free_irq_by_fd);
 
 static void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
 {