[PATCH] Fix the warning of uninitialized value in driver/serial/8250.c

[Wenji Huang]

This patch is to remove the the warning of uninitialized i in 
driver/serial/8250.c

Signed-off-by: Wenji Huang <wenji.huang@xxxxxxxxxx>

diff -Nurh drivers/serial/8250.c.Orig drivers/serial/8250.c
--- drivers/serial/8250.c.Orig  2009-02-02 14:02:47.000000000 -0500
+++ drivers/serial/8250.c       2009-02-02 14:03:30.000000000 -0500
@@ -1678,7 +1678,7 @@

 static void serial_unlink_irq_chain(struct uart_8250_port *up)
 {
-       struct irq_info *i;
+       struct irq_info *i = NULL;
        struct hlist_node *n;
        struct hlist_head *h;


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