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From 8996f075e64da0e6ffeda57632ef31f8710defcc Mon Sep 17 00:00:00 2001
From: He Zhe <zhe.he@windriver.com>
Date: Fri, 15 Mar 2019 16:47:03 +0800
Subject: [PATCH] utilities: Fix build failure with -Werror=maybe-uninitialized
Summary:
Initialize magic_number to zero to avoid such failure.
utilities/blob_db/blob_log_format.cc:91:3: error: 'magic_number' may be used
uninitialized in this function [-Werror=maybe-uninitialized]
if (magic_number != kMagicNumber) {
^~
Upstream-Status: Accepted [expected version 5.19]
Signed-off-by: He Zhe <zhe.he@windriver.com>
---
utilities/blob_db/blob_log_format.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/utilities/blob_db/blob_log_format.cc b/utilities/blob_db/blob_log_format.cc
index 2bf7028..8726cb8 100644
--- a/utilities/blob_db/blob_log_format.cc
+++ b/utilities/blob_db/blob_log_format.cc
@@ -82,7 +82,7 @@ Status BlobLogFooter::DecodeFrom(Slice src) {
uint32_t src_crc = 0;
src_crc = crc32c::Value(src.data(), BlobLogFooter::kSize - sizeof(uint32_t));
src_crc = crc32c::Mask(src_crc);
- uint32_t magic_number;
+ uint32_t magic_number = 0;
if (!GetFixed32(&src, &magic_number) || !GetFixed64(&src, &blob_count) ||
!GetFixed64(&src, &expiration_range.first) ||
!GetFixed64(&src, &expiration_range.second) || !GetFixed32(&src, &crc)) {
--
2.7.4
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