[Issue #252] fix memory leak in process_block_change()

gsmolk · gsmolk · commit 56e093368f09 · 2020-09-10T02:15:22.000+03:00
diff --git a/src/backup.c b/src/backup.c
@@ -2389,7 +2389,10 @@ process_block_change(ForkNumber forknum, RelFileNode rnode, BlockNumber blkno)
 			pthread_mutex_unlock(&backup_pagemap_mutex);
 	}
 
+	if (segno > 0)
+		pg_free(f.rel_path);
 	pg_free(rel_path);
+
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -2389,7 +2389,10 @@ process_block_change(ForkNumber forknum, RelFileNode rnode, BlockNumber blkno)`
`2389`	`2389`	`pthread_mutex_unlock(&backup_pagemap_mutex);`
`2390`	`2390`	`}`
`2391`	`2391`
	`2392`	`+ if (segno > 0)`
	`2393`	`+ pg_free(f.rel_path);`
`2392`	`2394`	`pg_free(rel_path);`
	`2395`	`+`
`2393`	`2396`	`}`
`2394`	`2397`
`2395`	`2398`	`/*`