File ocki-3.5-added-NULLreturn-check.patch of Package openCryptoki

commit ca61c6e68ecd04c5f319056a6a3eba4b261f5481
Author: Jakub Jelen <jjelen@redhat.com>
Date:   Tue Jun 28 16:23:06 2016 -0400

    Coverity:Check for NULL returns
    Signed-off-by: Jakub Jelen <jjelen@redhat.com>

diff --git a/usr/lib/pkcs11/common/utility.c b/usr/lib/pkcs11/common/utility.c
index 3cbb8da..39ecae8 100755
--- a/usr/lib/pkcs11/common/utility.c
+++ b/usr/lib/pkcs11/common/utility.c
@@ -589,6 +589,11 @@ CK_RV CreateXProcLock(void)
 				goto err;
 			}
 			grp = getgrnam("pkcs11");
+			if (grp == NULL) {
+				fprintf(stderr, "getgrname(pkcs11): %s",
+					strerror(errno));
+				goto err;
+			}
 			/* set ownership to euid, and pkcs11 group */
 			if (chown(lockdir, geteuid(), grp->gr_gid) != 0) {
 				fprintf(stderr, "Failed to set owner:group \
diff --git a/usr/lib/pkcs11/icsf_stdll/new_host.c b/usr/lib/pkcs11/icsf_stdll/new_host.c
index 9863d52..9478e92 100644
--- a/usr/lib/pkcs11/icsf_stdll/new_host.c
+++ b/usr/lib/pkcs11/icsf_stdll/new_host.c
@@ -813,6 +813,11 @@ CK_RV SC_OpenSession(CK_SLOT_ID sid, CK_FLAGS flags,
 	}
 
 	sess = session_mgr_find(*phSession);
+	if (!sess) {
+		TRACE_ERROR("%s\n", ock_err(ERR_SESSION_HANDLE_INVALID));
+		rc = CKR_SESSION_HANDLE_INVALID;
+		goto done;
+	}
 	sess->handle = *phSession;
 	rc = icsftok_open_session(sess);
 done:
@@ -835,6 +840,11 @@ CK_RV SC_CloseSession(ST_SESSION_HANDLE *sSession)
 	}
 
 	sess = session_mgr_find(sSession->sessionh);
+	if (!sess) {
+		TRACE_ERROR("%s\n", ock_err(ERR_SESSION_HANDLE_INVALID));
+		rc = CKR_SESSION_HANDLE_INVALID;
+		goto done;
+	}
 	//set the handle here as handle is never set into session during creation
 	sess->handle = sSession->sessionh;
 	rc = icsftok_close_session(sess);