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author Michael Paquier <michael@paquier.xyz>

2021年6月29日 02:54:11 +0000 (11:54 +0900)

committer Michael Paquier <michael@paquier.xyz>

2021年6月29日 02:57:18 +0000 (11:57 +0900)

This is reproducible with gcc using at least -O0. The last checks
validating the compression of a block could not be reached with this
variable not set, but let's be clean.

Oversight in 4035cd5, per buildfarm member lapwing.

src/backend/access/transam/xloginsert.c patch | blob | blame | history

diff --git a/src/backend/access/transam/xloginsert.c b/src/backend/access/transam/xloginsert.c

index 10b3b090535192f692eb13c6c8f5aaa340707a10..3d2c9c3e8cf529279e0c6e40949b331a1ae7a346 100644 (file)

--- 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;

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