提交 bff5baf8 编写于 作者: C Colin Ian King 提交者: David Sterba

btrfs: fix incorrect error return ret being passed to mapping_set_error

The setting of return code ret should be based on the error code
passed into function end_extent_writepage and not on ret. Thanks
to Liu Bo for spotting this mistake in the original fix I submitted.

Detected by CoverityScan, CID#1414312 ("Logically dead code")

Fixes: 5dca6eea ("Btrfs: mark mapping with error flag to report errors to userspace")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Reviewed-by: NLiu Bo <bo.li.liu@oracle.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>
上级 8d910125
......@@ -2458,7 +2458,7 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end)
if (!uptodate) {
ClearPageUptodate(page);
SetPageError(page);
ret = ret < 0 ? ret : -EIO;
ret = err < 0 ? err : -EIO;
mapping_set_error(page->mapping, ret);
}
}
......
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