X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fpkcs7%2Fpk7_lib.c;h=9b647b212182a74eaadb04fc313a97555d439446;hp=d4804f8837c8b0275d4dc1eb1c7994d162fd8b11;hb=48921e00fc69060b7b29bab707ebc255a3506aff;hpb=f8049301509dc1ee13d1b3e4c0d19ad3d84013d5

diff --git a/crypto/pkcs7/pk7_lib.c b/crypto/pkcs7/pk7_lib.c
index d4804f8837..9b647b2121 100644
--- a/crypto/pkcs7/pk7_lib.c
+++ b/crypto/pkcs7/pk7_lib.c
@@ -74,7 +74,7 @@ long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
 		if (nid == NID_pkcs7_signed)
 			{
 			ret=p7->detached=(int)larg;
-			if (PKCS7_type_is_data(p7->d.sign->contents))
+			if (ret && PKCS7_type_is_data(p7->d.sign->contents))
 					{
 					ASN1_OCTET_STRING *os;
 					os=p7->d.sign->contents->d.data;