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Revision dac876193cd79ced36d0462749ea47c05844fb49 authored by Terry Loftin on 09 April 2010, 10:29:49 UTC, committed by David S. Miller on 13 April 2010, 10:03:13 UTC 
e1000e: stop cleaning when we reach tx_ring->next_to_use
 
Tx ring buffers after tx_ring->next_to_use are volatile and could
change, possibly causing a crash.  Stop cleaning when we hit
tx_ring->next_to_use.

Signed-off-by: Terry Loftin <terry.loftin@hp.com>
Acked-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent d5aa225
Raw File
rtmutex.h 
/*
 * RT-Mutexes: blocking mutual exclusion locks with PI support
 *
 * started by Ingo Molnar and Thomas Gleixner:
 *
 *  Copyright (C) 2004-2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
 *  Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
 *
 * This file contains macros used solely by rtmutex.c.
 * Non-debug version.
 */

#define rt_mutex_deadlock_check(l)			(0)
#define rt_mutex_deadlock_account_lock(m, t)		do { } while (0)
#define rt_mutex_deadlock_account_unlock(l)		do { } while (0)
#define debug_rt_mutex_init_waiter(w)			do { } while (0)
#define debug_rt_mutex_free_waiter(w)			do { } while (0)
#define debug_rt_mutex_lock(l)				do { } while (0)
#define debug_rt_mutex_proxy_lock(l,p)			do { } while (0)
#define debug_rt_mutex_proxy_unlock(l)			do { } while (0)
#define debug_rt_mutex_unlock(l)			do { } while (0)
#define debug_rt_mutex_init(m, n)			do { } while (0)
#define debug_rt_mutex_deadlock(d, a ,l)		do { } while (0)
#define debug_rt_mutex_print_deadlock(w)		do { } while (0)
#define debug_rt_mutex_detect_deadlock(w,d)		(d)
#define debug_rt_mutex_reset_waiter(w)			do { } while (0)
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