--- dosfstools-3.0.9/src/dosfsck.c	2010-01-23 10:13:26.000000000 +0100
+++ src/src/dosfsck.c	2011-05-06 18:40:10.408387312 +0200
@@ -98,6 +98,12 @@
 #endif
 }
 
+enum {
+	EXIT_FS_CLEAN = 0,
+	EXIT_FS_CORRECTED = 16,
+	EXIT_FS_NEEDS_CORRECTION = 17
+};
+
 
 int main(int argc,char **argv)
 {
@@ -105,6 +111,7 @@
     int salvage_files,verify,c;
 	unsigned n_files_check=0, n_files_verify=0;
     unsigned long free_clusters;
+    int ret;
 
     memset(&fs, 0, sizeof(fs));
     rw = salvage_files = verify = 0;
@@ -187,18 +194,28 @@
 		n_files_verify = n_files;
     }
 
+    ret = EXIT_FS_CLEAN;
     if (fs_changed()) {
 	if (rw) {
-	    if (interactive)
-		rw = get_key("yn","Perform changes ? (y/n)") == 'y';
-	    else printf("Performing changes.\n");
+		if (interactive) {
+			rw = get_key("yn","Perform changes ? (y/n)") == 'y';
+			if (!rw)
+				ret = EXIT_FS_NEEDS_CORRECTION;
+			else
+				ret= EXIT_FS_CORRECTED;
+		} else {
+			printf("Performing changes.\n");
+			ret = EXIT_FS_CORRECTED;
+		}
+	} else {
+		printf("Leaving file system unchanged.\n");
+		ret= EXIT_FS_NEEDS_CORRECTION;
 	}
-	else
-	    printf("Leaving file system unchanged.\n");
     }
 
     printf( "%s: %u files, %lu/%lu clusters\n", argv[optind],
 	    n_files, fs.clusters - free_clusters, fs.clusters );
 
-    return fs_close(rw) ? 1 : 0;
+    fs_close(rw);
+    return ret;
 }