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Red Hat Bugzilla – Attachment 304436 Details for
Bug 445054
8250 serial port lock recursion
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[patch]
fix for recursive lock request in 8250.c
linux-2.6.9-8250-fix-serial-port-lock-recursion.patch (text/plain), 471 bytes, created by
Herbert van den Bergh
on 2008-05-03 01:18:53 UTC
(
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Description:
fix for recursive lock request in 8250.c
Filename:
MIME Type:
Creator:
Herbert van den Bergh
Created:
2008-05-03 01:18:53 UTC
Size:
471 bytes
patch
obsolete
>--- linux-2.6.9/drivers/serial/8250.c.orig 2008-02-18 23:12:14.000000000 -0500 >+++ linux-2.6.9/drivers/serial/8250.c 2008-02-18 23:13:02.000000000 -0500 >@@ -880,7 +880,9 @@ receive_chars(struct uart_8250_port *up, > > do { > if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) { >+ spin_unlock(&up->port.lock); > tty->flip.work.func((void *)tty); >+ spin_lock(&up->port.lock); > if (tty->flip.count >= TTY_FLIPBUF_SIZE) > return; // if TTY_DONT_FLIP is set > }
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