Author: mmacy
Date: Sat May 19 03:52:55 2018
New Revision: 333831
URL: https://svnweb.freebsd.org/changeset/base/333831
Log:
fix uninitialized variable warning in reader locks
Modified:
head/sys/kern/kern_rwlock.c
head/sys/kern/kern_sx.c
Modified: head/sys/kern/kern_rwlock.c
==============================================================================
--- head/sys/kern/kern_rwlock.c Sat May 19 03:50:29 2018 (r333830)
+++ head/sys/kern/kern_rwlock.c Sat May 19 03:52:55 2018 (r333831)
@@ -887,7 +887,7 @@ __rw_wlock_hard(volatile uintptr_t *c, uintptr_t v LOC
#ifdef ADAPTIVE_RWLOCKS
int spintries = 0;
int i, n;
- enum { READERS, WRITER } sleep_reason;
+ enum { READERS, WRITER } sleep_reason = READERS;
#endif
uintptr_t x;
#ifdef LOCK_PROFILING
Modified: head/sys/kern/kern_sx.c
==============================================================================
--- head/sys/kern/kern_sx.c Sat May 19 03:50:29 2018 (r333830)
+++ head/sys/kern/kern_sx.c Sat May 19 03:52:55 2018 (r333831)
@@ -551,7 +551,7 @@ _sx_xlock_hard(struct sx *sx, uintptr_t x, int opts LO
#ifdef ADAPTIVE_SX
volatile struct thread *owner;
u_int i, n, spintries = 0;
- enum { READERS, WRITER } sleep_reason;
+ enum { READERS, WRITER } sleep_reason = READERS;
bool adaptive;
#endif
#ifdef LOCK_PROFILING
@@ -568,7 +568,7 @@ _sx_xlock_hard(struct sx *sx, uintptr_t x, int opts LO
int64_t all_time = 0;
#endif
#if defined(KDTRACE_HOOKS) || defined(LOCK_PROFILING)
- uintptr_t state;
+ uintptr_t state = 0;
#endif
int extra_work = 0;
@@ -944,7 +944,7 @@ _sx_slock_hard(struct sx *sx, int opts, uintptr_t x LO
int64_t all_time = 0;
#endif
#if defined(KDTRACE_HOOKS) || defined(LOCK_PROFILING)
- uintptr_t state;
+ uintptr_t state = 0;
#endif
int extra_work = 0;
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