From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 23 Feb 2012 15:41:45 +0000 (-0500)
Subject: fix: if tracing group does not exist, do not report a client error
X-Git-Tag: v2.0.0-rc3~31
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=b4d8603b75b780fd3b598ba9347bdfade6132ea5;p=lttng-tools.git

fix: if tracing group does not exist, do not report a client error

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

diff --git a/src/lib/lttng-ctl/lttng-ctl.c b/src/lib/lttng-ctl/lttng-ctl.c
index dafe085dc..c5887fe65 100644
--- a/src/lib/lttng-ctl/lttng-ctl.c
+++ b/src/lib/lttng-ctl/lttng-ctl.c
@@ -138,11 +138,8 @@ static int check_tracing_group(const char *grp_name)
 
 	/* Get GID of group 'tracing' */
 	grp_tracing = getgrnam(grp_name);
-	if (grp_tracing == NULL) {
-		/* NULL means not found also. getgrnam(3) */
-		if (errno != 0) {
-			perror("getgrnam");
-		}
+	if (!grp_tracing) {
+		/* If grp_tracing is NULL, the group does not exist. */
 		goto end;
 	}