From 5cf18c7634fc65f85a6130429c274d580a507bda Mon Sep 17 00:00:00 2001
From: Jun He <jun.he@arm.com>
Date: Fri, 22 Jul 2022 09:24:13 -0700
Subject: [PATCH] Fix build error due to uninitialized read_req (#10312)

Summary:
GCC-12 has strick check on variables, and thus
build fails when it finds read_req is not properly
initialized (-Werror=maybe-uninitialized). Add
default value to fix this.

Change-Id: Ib8a9085e2d613ee7b943b58a6a58e1bc351725d7
Signed-off-by: Jun He <jun.he@arm.com>

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10312

Reviewed By: riversand963

Differential Revision: D37656997

Pulled By: ajkr

fbshipit-source-id: fe47492c913b34b3a03c04beeec9ec57831dcaff
---
 db/blob/blob_file_reader.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db/blob/blob_file_reader.cc b/db/blob/blob_file_reader.cc
index cc46f7a76..5e96e7ae9 100644
--- a/db/blob/blob_file_reader.cc
+++ b/db/blob/blob_file_reader.cc
@@ -414,7 +414,7 @@ void BlobFileReader::MultiGetBlob(const ReadOptions& read_options,
     assert(blob_reqs[i]->offset >= adjustment);
     adjustments.push_back(adjustment);
 
-    FSReadRequest read_req;
+    FSReadRequest read_req = {};
     read_req.offset = blob_reqs[i]->offset - adjustment;
     read_req.len = blob_reqs[i]->len + adjustment;
     read_reqs.emplace_back(read_req);