Revision 2bcbf42add911ef63a6d90e92001dc2bcb053e68 authored by Shannon Nelson on 04 November 2020, 19:56:06 UTC, committed by Jakub Kicinski on 05 November 2020, 17:58:25 UTC
Check for corner case of port_init failure before using
the port_info pointer.
Fixes: 4d03e00a2140 ("ionic: Add initial ethtool support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Link: https://lore.kernel.org/r/20201104195606.61184-1-snelson@pensando.io
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1 parent 2aaf09a
barrier.h
#ifndef LIBURING_BARRIER_H
#define LIBURING_BARRIER_H
#if defined(__x86_64) || defined(__i386__)
#define read_barrier() __asm__ __volatile__("":::"memory")
#define write_barrier() __asm__ __volatile__("":::"memory")
#else
/*
* Add arch appropriate definitions. Be safe and use full barriers for
* archs we don't have support for.
*/
#define read_barrier() __sync_synchronize()
#define write_barrier() __sync_synchronize()
#endif
#endif
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