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pg_dump: Set private_date pointer to NULL in callback

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The end callback for ZStandard compression frees the private_data
but didn't set the pointer to NULL after freeing.  This is not a
bug as the code is right now, since nothing is dereferencing the
pointer upon returning from the callback but it is good practice
to do.

Author: Alexander Kuznetsov <kuznetsovam@altlinux.org>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/efaee52b-9550-44ca-8633-ea86076b3283@altlinux.org
This commit is contained in:
Daniel Gustafsson 2025-04-17 12:58:00 +02:00
parent e4b0f86e1f
commit b669293e34
1 changed files with 1 additions and 0 deletions
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src/bin/pg_dump/compress_zstd.c
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@ -142,6 +142,7 @@ EndCompressorZstd(ArchiveHandle *AH, CompressorState *cs)
/* output buffer may be allocated in either mode */
pg_free(zstdcs->output.dst);
pg_free(zstdcs);
cs->private_data = NULL;
}
static void