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-rw-r--r--src/backend/access/transam/xloginsert.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/transam/xloginsert.c b/src/backend/access/transam/xloginsert.c
index 10b3b090535..3d2c9c3e8cf 100644
--- a/src/backend/access/transam/xloginsert.c
+++ b/src/backend/access/transam/xloginsert.c
@@ -863,7 +863,7 @@ XLogCompressBackupBlock(char *page, uint16 hole_offset, uint16 hole_length,
char *dest, uint16 *dlen)
{
int32 orig_len = BLCKSZ - hole_length;
- int32 len;
+ int32 len = -1;
int32 extra_bytes = 0;
char *source;
PGAlignedBlock tmp;