cleanup: avoid printing gcc warning

Casting to (void) with gcc doesn't remove unused_result warning.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509

2 files changed, 7 insertions, 3 deletions

diff --git a/scripts/lvm2_activation_generator_systemd_red_hat.c b/scripts/lvm2_activation_generator_systemd_red_hat.c
index 92c08d392..cd71b9ce5 100644
--- a/scripts/lvm2_activation_generator_systemd_red_hat.c
+++ b/scripts/lvm2_activation_generator_systemd_red_hat.c
@@ -64,7 +64,7 @@ static void kmsg(int log_level, const char *format, ...)
 		return;
 
 	/* The n+4: +3 for "<n>" prefix and +1 for '\0' suffix */
-	(void) write(kmsg_fd, message, n + 4);
+	if (write(kmsg_fd, message, n + 4)) { /* Ignore result code */; }
 }
 
 static void lvm_get_use_lvmetad_and_lvmpolld(int *use_lvmetad, int *use_lvmpolld)
diff --git a/test/lib/not.c b/test/lib/not.c
index 5d285998a..93c115a27 100644
--- a/test/lib/not.c
+++ b/test/lib/not.c
@@ -33,9 +33,13 @@ static int _finished(const char *cmd, int status, int pid) {
 			if (WIFEXITED(ret) && WEXITSTATUS(ret) == 0) {
 				printf("## timing off\n<======== Debug log ========>\n"); /* timing off */
 				fflush(stdout);
-				(void) system("sed -e 's,^,## DEBUG: ,' debug.log*${LVM_LOG_FILE_EPOCH}* 2>/dev/null");
+				if (system("sed -e 's,^,## DEBUG: ,' debug.log*${LVM_LOG_FILE_EPOCH}* 2>/dev/null")) {
+				    /* Ignore result code */;
+				}
 				printf("## timing on\n"); /* timing on */
-				(void) system("rm -f debug.log*${LVM_LOG_FILE_EPOCH}*");
+				if (system("rm -f debug.log*${LVM_LOG_FILE_EPOCH}*")) {
+				    /* Ignore result code */;
+				}
 				fflush(stdout);
 			}
 		}