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