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