Check return value of Setrlimit() to keep linter happy

Signed-off-by: Chris Reeves <[email protected]>

run_linux.go

@@ -1007,13 +1007,16 @@ func addRlimits(ulimit []string, g *generate.Generator, defaultUlimits []string)
 		// process to RLimitDefaultValue - this will be successful in most (but not all)
 		// non-rootless environments. If this fails (e.g. in a rootless environment) it will ensure
 		// that the soft limit for the current process is increased to match the hard limit (see
-		// cmd/podman/early_init_linux.go). We simply fire and forget the call to Setrlimit() here,
-		// because if it fails we effectively handle setting soft to hard in the call to
-		// AddProcessRlimits() later on.
+		// cmd/podman/early_init_linux.go).
 		var rlimit unix.Rlimit
 		rlimit.Cur = define.RLimitDefaultValue
 		rlimit.Max = define.RLimitDefaultValue
-		unix.Setrlimit(unix.RLIMIT_NOFILE, &rlimit)
+		err := unix.Setrlimit(unix.RLIMIT_NOFILE, &rlimit)
+		if err != nil {
+			// We don't really care whether there's an error here, because if it fails we
+			// effectively handle setting soft to hard in the call to AddProcessRlimits() later on.
+			logrus.Debugf("Failed to set RLIMIT_NOFILE ulimit %q", err)
+		}
 
 		// Set both hard and soft limits to min(hard limit, RLimitDefaultValue) regardless of
 		// rootlessness.