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-rw-r--r--crypto/cms/cms_smime.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/cms/cms_smime.c b/crypto/cms/cms_smime.c
index 8851603f6fb1..8b37560821ad 100644
--- a/crypto/cms/cms_smime.c
+++ b/crypto/cms/cms_smime.c
@@ -131,7 +131,7 @@ static void do_free_upto(BIO *f, BIO *upto)
BIO_free(f);
f = tbio;
}
- while (f != upto);
+ while (f && f != upto);
} else
BIO_free_all(f);
}