From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 24 Sep 2014 20:08:34 +0000 (-0400)
Subject: Fix: syscall listing: handle "enable all syscall"
X-Git-Tag: v2.6.0-rc1~22
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=24875133a4330acb17b33bc9b3a57e59e73022a6;p=lttng-modules.git

Fix: syscall listing: handle "enable all syscall"

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lttng-syscalls.c b/lttng-syscalls.c
index 5cac7212..846946ad 100644
--- a/lttng-syscalls.c
+++ b/lttng-syscalls.c
@@ -1230,12 +1230,12 @@ long lttng_channel_syscall_mask(struct lttng_channel *channel,
 
 	for (bit = 0; bit < ARRAY_SIZE(sc_table); bit++) {
 		bt_bitfield_write_be(tmp_mask, char, bit, 1,
-			test_bit(bit, filter->sc));
+			filter ? test_bit(bit, filter->sc) : 1);
 	}
 	for (; bit < sc_tables_len; bit++) {
 		bt_bitfield_write_be(tmp_mask, char, bit, 1,
-			test_bit(bit - ARRAY_SIZE(sc_table),
-				filter->sc_compat));
+			filter ? test_bit(bit - ARRAY_SIZE(sc_table),
+				filter->sc_compat) : 1);
 	}
 	if (copy_to_user(usyscall_mask->mask, tmp_mask, bitmask_len))
 		ret = -EFAULT;