Remove superflous variable from xlogreader's XLogFindNextRecord().

Pointed out by Coverity.

Since this is mere, and debatable, cosmetics I'm not backpatching
this.

diff --git a/src/backend/access/transam/xlogreader.c b/src/backend/access/transam/xlogreader.c
index 67d62234369d2d904f1adb78da22d5f13080e777..db5384c2062c3efe81957e1cc93a4249b04e2dc7 100644 (file)
--- a/src/backend/access/transam/xlogreader.c
+++ b/src/backend/access/transam/xlogreader.c
@@ -833,7 +833,6 @@ XLogFindNextRecord(XLogReaderState *state, XLogRecPtr RecPtr)
    XLogRecPtr  found = InvalidXLogRecPtr;
    uint32      pageHeaderSize;
    XLogPageHeader header;
-   XLogRecord *record;
    int         readLen;
    char       *errormsg;
 
@@ -875,7 +874,7 @@ XLogFindNextRecord(XLogReaderState *state, XLogRecPtr RecPtr)
     * because either we're at the first record after the beginning of a page
     * or we just jumped over the remaining data of a continuation.
     */
-   while ((record = XLogReadRecord(state, tmpRecPtr, &errormsg)))
+   while (XLogReadRecord(state, tmpRecPtr, &errormsg) != NULL)
    {
        /* continue after the record */
        tmpRecPtr = InvalidXLogRecPtr;