diff -uNr postgresql-9.1.2/src/bin/pg_basebackup/pg_basebackup.c postgresql-9.1.2-patch/src/bin/pg_basebackup/pg_basebackup.c
--- postgresql-9.1.2/src/bin/pg_basebackup/pg_basebackup.c	2011-12-01 22:47:20.000000000 +0100
+++ postgresql-9.1.2-patch/src/bin/pg_basebackup/pg_basebackup.c	2012-01-23 13:14:16.000000000 +0100
@@ -410,6 +410,7 @@
 				{
 					fprintf(stderr, _("%s: could not write to compressed file \"%s\": %s\n"),
 							progname, filename, get_gz_error(ztarfile));
+					disconnect_and_exit(1);
 				}
 			}
 			else
@@ -428,7 +429,14 @@
 #ifdef HAVE_LIBZ
 				if (ztarfile)
 					gzclose(ztarfile);
+				else
 #endif
+					if (fflush (tarfile) != 0)
+					{
+						fprintf(stderr, _("%s: error flushing stdout: %s\n"),
+								strerror (errno));
+						disconnect_and_exit(1);
+					}
 			}
 			else
 			{
@@ -437,7 +445,14 @@
 					gzclose(ztarfile);
 #endif
 				if (tarfile != NULL)
-					fclose(tarfile);
+				{
+					if (fclose(tarfile) != 0)
+					{
+						fprintf(stderr, _("%s: error closing file \"%s\": %s\n"),
+								progname, filename, strerror (errno));
+						disconnect_and_exit(1);
+					}
+				}
 			}
 
 			break;
@@ -456,6 +471,7 @@
 			{
 				fprintf(stderr, _("%s: could not write to compressed file \"%s\": %s\n"),
 						progname, filename, get_gz_error(ztarfile));
+				disconnect_and_exit(1);
 			}
 		}
 		else