test: utils: lttng_pgrep performs lookup on non-existing pid

[lttng-tools.git] / tests / utils / utils.sh

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 1a6ea3c424016e4ecca9fa76f1726a168d39839d..31087877d1639767086f88ed0821613f342c79f8 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -100,7 +100,7 @@ function lttng_pgrep ()
 
        while IFS= read -r pid ; do
                # /proc/pid/cmdline is null separated.
-               if full_command_no_argument=$(cut -d '' -f 1 < /proc/"$pid"/cmdline); then
+               if full_command_no_argument=$(cut -d '' -f 1 2>/dev/null < /proc/"$pid"/cmdline); then
                        command_basename=$(basename "$full_command_no_argument")
                        if grep -q "$pattern" <<< "$command_basename"; then
                                echo "$pid"
@@ -700,7 +700,7 @@ function stop_lttng_sessiond_opt()
 
                        if [ -n "$modules" ]; then
                                diag "Unloading all LTTng modules"
-                               modprobe -r "$modules"
+                               modprobe --remove "$modules"
                        fi
                fi
        fi