rework error handling for write streams

1 files changed, 5 insertions, 3 deletions

diff --git a/src/info.c b/src/info.c
index 43ced63..b163aa5 100644
--- a/src/info.c
+++ b/src/info.c
@@ -130,9 +130,11 @@ static void info_who_owns(struct info_ctx *ctx, struct apk_database *db,
 	}
 	if (apk_verbosity < 1 && deps->num != 0) {
 		os = apk_ostream_to_fd(STDOUT_FILENO);
-		apk_deps_write(db, deps, os, APK_BLOB_PTR_LEN(" ", 1));
-		os->write(os, "\n", 1);
-		os->close(os);
+		if (!IS_ERR_OR_NULL(os)) {
+			apk_deps_write(db, deps, os, APK_BLOB_PTR_LEN(" ", 1));
+			os->write(os, "\n", 1);
+			os->close(os);
+		}
 	}
 	apk_dependency_array_free(&deps);
 }