34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From 10d448be7aa5dcdafcd4dabc782ce7308af89c30 Mon Sep 17 00:00:00 2001
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From: Zdenek Kabelac <zkabelac@redhat.com>
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Date: Tue, 25 Jun 2019 14:50:05 +0200
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Subject: [PATCH] cov: check result of dev_read_bytes
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---
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lib/format_text/format-text.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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diff --git a/lib/format_text/format-text.c b/lib/format_text/format-text.c
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index 268bd64..7385da5 100644
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--- a/lib/format_text/format-text.c
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+++ b/lib/format_text/format-text.c
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@@ -1545,9 +1545,13 @@ int read_metadata_location_summary(const struct format_type *fmt,
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memset(namebuf, 0, sizeof(namebuf));
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- if (!dev_read_bytes(dev_area->dev, dev_area->start + rlocn->offset, NAME_LEN, namebuf))
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- stack;
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-
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+ if (!dev_read_bytes(dev_area->dev, dev_area->start + rlocn->offset, NAME_LEN, namebuf)) {
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+ log_error("Can't read metadata location on %s at %llu.",
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+ dev_name(dev_area->dev),
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+ (unsigned long long)(dev_area->start + rlocn->offset));
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+ return 0;
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+ }
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+
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while (namebuf[len] && !isspace(namebuf[len]) && namebuf[len] != '{' &&
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len < (NAME_LEN - 1))
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len++;
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--
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1.8.3.1
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