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MODSIGN: fix a compilation warning in extract-cert

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Fix the following warning when compiling extract-cert:

  scripts/extract-cert.c: In function `write_cert':
  scripts/extract-cert.c:89:2: warning: format not a string literal and no format arguments [-Wformat-security]
    ERR(!i2d_X509_bio(wb, x509), cert_dst);
    ^

whereby the ERR() macro is taking cert_dst as the format string.  "%s"
should be used as the format string as the path could contain special
characters.

Signed-off-by: David Howells <dhowells@redhat.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Acked-by : David Woodhouse <david.woodhouse@intel.com>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2015-09-11 13:07:36 -07:00 committed by Linus Torvalds
parent 64d1def7d3
commit 7c0d35a339
1 changed files with 1 additions and 1 deletions
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2
scripts/extract-cert.c
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@ -86,7 +86,7 @@ static void write_cert(X509 *x509)
ERR(!wb, "%s", cert_dst);
}
X509_NAME_oneline(X509_get_subject_name(x509), buf, sizeof(buf));
ERR(!i2d_X509_bio(wb, x509), cert_dst);
ERR(!i2d_X509_bio(wb, x509), "%s", cert_dst);
if (kbuild_verbose)
fprintf(stderr, "Extracted cert: %s\n", buf);
}