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cov: add missing error path check for label_scan_open

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This commit is contained in:
Zdenek Kabelac 2018-10-15 16:39:28 +02:00
parent b57e73a0f1
commit 84f00f5058
1 changed files with 5 additions and 1 deletions
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6
lib/label/label.c
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@ -1067,7 +1067,11 @@ 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);