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-rw-r--r--src/bin/pg_basebackup/walmethods.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/pg_basebackup/walmethods.c b/src/bin/pg_basebackup/walmethods.c
index d1dc046c97c..b0b3d435c36 100644
--- a/src/bin/pg_basebackup/walmethods.c
+++ b/src/bin/pg_basebackup/walmethods.c
@@ -432,7 +432,7 @@ tar_write_padding_data(TarMethodFile * f, size_t bytes)
{
size_t bytestowrite = bytesleft > XLOG_BLCKSZ ? XLOG_BLCKSZ : bytesleft;
- size_t r = tar_write(f, zerobuf, bytestowrite);
+ ssize_t r = tar_write(f, zerobuf, bytestowrite);
if (r < 0)
return false;