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drm/i915: redefine WARN_ON_ONCE to include the condition

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commit c883ef1b1c998d2d66866772fd0fc34afa45641e
Author: Mika Kuoppala <miku@iki.fi>
Date:   Tue Oct 28 17:32:30 2014 +0200

    drm/i915: Redefine WARN_ON to include the condition

but for WARN_ON_ONCE. Since the kernel WARN_ON_ONCE actually picks up
*our* version of WARN_ON, we end up with messages like

[  838.285319] WARN_ON(!__warned)

which are not that helpful.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2015-03-12 13:01:12 +02:00 committed by Daniel Vetter
parent 8749be86a8
commit cd9bfacb87
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
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@ -70,6 +70,9 @@
#define WARN_ON(x) WARN((x), "WARN_ON(" #x ")")
#endif
#undef WARN_ON_ONCE
#define WARN_ON_ONCE(x) WARN_ONCE((x), "WARN_ON_ONCE(" #x ")")
#define MISSING_CASE(x) WARN(1, "Missing switch case (%lu) in %s\n", \
(long) (x), __func__);