[PATCH] vhost/crypto: fix build with asserts

[David Marchand]

../lib/vhost/vhost_crypto.c: In function ‘virtio_crypto_asym_rsa_der_to_xform’:
../lib/vhost/vhost_crypto.c:538:42: warning: comparison of integer expressions
	of different signedness: ‘long int’ and ‘size_t’ {aka ‘long unsigned int’}
	[-Wsign-compare]
  538 |         RTE_ASSERT((tlv + len - &der[0]) == der_len);
      |                                          ^~
../lib/eal/include/rte_branch_prediction.h:43:45: note: in definition of macro
	‘unlikely’
   43 | #define unlikely(x)     __builtin_expect(!!(x), 0)
      |                                             ^
../lib/eal/include/rte_debug.h:47:25: note: in expansion of macro ‘RTE_VERIFY’
   47 | #define RTE_ASSERT(exp) RTE_VERIFY(exp)
      |                         ^~~~~~~~~~
../lib/vhost/vhost_crypto.c:538:9: note: in expansion of macro ‘RTE_ASSERT’
  538 |         RTE_ASSERT((tlv + len - &der[0]) == der_len);
      |         ^~~~~~~~~~

Fixes: d1b484bf1876 ("vhost/crypto: support asymmetric RSA")

Signed-off-by: David Marchand <david.marchand at redhat.com>
---
 lib/vhost/vhost_crypto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vhost/vhost_crypto.c b/lib/vhost/vhost_crypto.c
index 8dd1806a39..3c6c5dc114 100644
--- a/lib/vhost/vhost_crypto.c
+++ b/lib/vhost/vhost_crypto.c
@@ -535,7 +535,7 @@ virtio_crypto_asym_rsa_der_to_xform(uint8_t *der, size_t der_len,
 	xform->rsa.qt.qInv.data = qinv;
 	xform->rsa.qt.qInv.length = qinvlen;
 
-	RTE_ASSERT((tlv + len - &der[0]) == der_len);
+	RTE_ASSERT(tlv + len == der + der_len);
 	return 0;
 }
 
-- 
2.48.1