1 files changed, 3 insertions, 7 deletions
diff --git a/contrib/pg_standby/pg_standby.c b/contrib/pg_standby/pg_standby.c
index cb785971a98..f6058c3735f 100644
--- a/contrib/pg_standby/pg_standby.c
+++ b/contrib/pg_standby/pg_standby.c
@@ -408,9 +408,7 @@ SetWALSegSize(void)
 {
 	bool		ret_val = false;
 	int			fd;
-
-	/* malloc this buffer to ensure sufficient alignment: */
-	char	   *buf = (char *) pg_malloc(XLOG_BLCKSZ);
+	PGAlignedXLogBlock buf;
 
 	Assert(WalSegSz == -1);
 
@@ -418,14 +416,13 @@ SetWALSegSize(void)
 	{
 		fprintf(stderr, "%s: could not open WAL file \"%s\": %s\n",
 				progname, WALFilePath, strerror(errno));
-		pg_free(buf);
 		return false;
 	}
 
 	errno = 0;
-	if (read(fd, buf, XLOG_BLCKSZ) == XLOG_BLCKSZ)
+	if (read(fd, buf.data, XLOG_BLCKSZ) == XLOG_BLCKSZ)
 	{
-		XLogLongPageHeader longhdr = (XLogLongPageHeader) buf;
+		XLogLongPageHeader longhdr = (XLogLongPageHeader) buf.data;
 
 		WalSegSz = longhdr->xlp_seg_size;
 
@@ -462,7 +459,6 @@ SetWALSegSize(void)
 	fflush(stderr);
 
 	close(fd);
-	pg_free(buf);
 	return ret_val;
 }