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fix: random: only read from /dev/random after its pool has received 128 bits (v5.2)
[lttng-modules.git]
/
lttng-clock.c
diff --git
a/lttng-clock.c
b/lttng-clock.c
index a5a7eaa3349213b9d64daebf22a93e49b66087c9..48b4be573064b48cbaa9129f9e8e5f689a88ebe0 100644
(file)
--- a/
lttng-clock.c
+++ b/
lttng-clock.c
@@
-48,7
+48,7
@@
int lttng_clock_register_plugin(struct lttng_trace_clock *ltc,
goto end;
}
/* set clock */
goto end;
}
/* set clock */
-
ACCESS_ONCE(lttng_trace_clock) = ltc
;
+
WRITE_ONCE(lttng_trace_clock, ltc)
;
lttng_trace_clock_mod = mod;
end:
mutex_unlock(&clock_mutex);
lttng_trace_clock_mod = mod;
end:
mutex_unlock(&clock_mutex);
@@
-66,7
+66,7
@@
void lttng_clock_unregister_plugin(struct lttng_trace_clock *ltc,
}
WARN_ON_ONCE(lttng_trace_clock_mod != mod);
}
WARN_ON_ONCE(lttng_trace_clock_mod != mod);
-
ACCESS_ONCE(lttng_trace_clock) = NULL
;
+
WRITE_ONCE(lttng_trace_clock, NULL)
;
lttng_trace_clock_mod = NULL;
end:
mutex_unlock(&clock_mutex);
lttng_trace_clock_mod = NULL;
end:
mutex_unlock(&clock_mutex);
@@
-83,7
+83,7
@@
void lttng_clock_ref(void)
ret = try_module_get(lttng_trace_clock_mod);
if (!ret) {
printk(KERN_ERR "LTTng-clock cannot get clock plugin module\n");
ret = try_module_get(lttng_trace_clock_mod);
if (!ret) {
printk(KERN_ERR "LTTng-clock cannot get clock plugin module\n");
-
ACCESS_ONCE(lttng_trace_clock) = NULL
;
+
WRITE_ONCE(lttng_trace_clock, NULL)
;
lttng_trace_clock_mod = NULL;
}
}
lttng_trace_clock_mod = NULL;
}
}
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