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Return 0, not uninitialized, if the condition is already true.

This commit is contained in:
riastradh 2014-08-26 00:48:29 +00:00
parent 7a1a6f1cf3
commit 3b88c214c8
1 changed files with 2 additions and 1 deletions
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3
sys/external/bsd/drm2/include/drm/drm_wait_netbsd.h vendored
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@ -1,4 +1,4 @@
/* $NetBSD: drm_wait_netbsd.h,v 1.4 2014/07/16 20:59:58 riastradh Exp $ */
/* $NetBSD: drm_wait_netbsd.h,v 1.5 2014/08/26 00:48:29 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@ -177,6 +177,7 @@ DRM_SPIN_WAKEUP_ALL(drm_waitqueue_t *q, spinlock_t *interlock)
KASSERT(!cpu_intr_p()); \
KASSERT(!cpu_softintr_p()); \
KASSERT(!cold); \
(RET) = 0; \
while (!(CONDITION)) { \
/* XXX errno NetBSD->Linux */ \
(RET) = -WAIT((Q), &(INTERLOCK)->sl_lock); \