30 lines
918 B
Diff
30 lines
918 B
Diff
From ce4e728a2d7b9fd8fda7cb8cabb0af763abac886 Mon Sep 17 00:00:00 2001
|
|
From: root <root@localhost.localdomain>
|
|
Date: Wed, 13 Mar 2019 20:14:33 +0800
|
|
Subject: [PATCH 10/19] cov: add missing error path check for label_scan_open
|
|
|
|
---
|
|
lib/label/label.c | 6 +++++-
|
|
1 file changed, 5 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/lib/label/label.c b/lib/label/label.c
|
|
index 86c84d8..63300d2 100644
|
|
--- a/lib/label/label.c
|
|
+++ b/lib/label/label.c
|
|
@@ -1087,7 +1087,11 @@ int label_read_sector(struct device *dev, uint64_t read_sector)
|
|
block_sector = block_num * BCACHE_BLOCK_SIZE_IN_SECTORS;
|
|
start_sector = read_sector % BCACHE_BLOCK_SIZE_IN_SECTORS;
|
|
|
|
- label_scan_open(dev);
|
|
+ if (!label_scan_open(dev)) {
|
|
+ log_error("Error opening device %s for prefetch %llu sector.",
|
|
+ dev_name(dev), (unsigned long long)block_num);
|
|
+ return false;
|
|
+ }
|
|
|
|
bcache_prefetch(scan_bcache, dev->bcache_fd, block_num);
|
|
|
|
--
|
|
2.19.1
|
|
|