crypto/qat: fix build with GCC 12

GCC 12 raises the following warning:

In function '_mm_storeu_si128',
    inlined from 'rte_mov16' at
	../lib/eal/x86/include/rte_memcpy.h:508:2,
    inlined from 'rte_mov128' at
	../lib/eal/x86/include/rte_memcpy.h:542:2,
    inlined from 'rte_memcpy_generic' at
	../lib/eal/x86/include/rte_memcpy.h:732:4,
    inlined from 'rte_memcpy' at
	../lib/eal/x86/include/rte_memcpy.h:882:10,
    inlined from 'qat_sym_do_precomputes.constprop' at
	../drivers/crypto/qat/qat_sym_session.c:1434:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/12.1.1/include/emmintrin.h:739:8: error:
	array subscript 8 is outside array bounds of 'unsigned char[128]'
	[-Werror=array-bounds]
  739 |   *__P = __B;
      |   ~~~~~^~~~~

../drivers/crypto/qat/qat_sym_session.c:
	In function 'qat_sym_do_precomputes.constprop':
../drivers/crypto/qat/qat_sym_session.c:1305:17: note:
	at offset 192 into object 'opad.750' of size 128
 1305 | uint8_t
	  opad[qat_hash_get_block_size(ICP_QAT_HW_AUTH_ALGO_DELIMITER)];
      |           ^~~~

../drivers/crypto/qat/qat_sym_session.c:
	In function 'qat_sym_do_precomputes.constprop':
../drivers/crypto/qat/qat_sym_session.c:1304:17: note:
	at offset 128 into object 'ipad.749' of size 128
 1304 | uint8_t
	  ipad[qat_hash_get_block_size(ICP_QAT_HW_AUTH_ALGO_DELIMITER)];
      |           ^~~~

Added a check to prevent compiler warnings.

Fixes: 1703e94ac5ce ("qat: add driver for QuickAssist devices")
Cc: stable@dpdk.org

Signed-off-by: Amit Prakash Shukla <amitprakashs@marvell.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
This commit is contained in:
Amit Prakash Shukla 2022-08-04 19:10:55 +05:30 committed by Akhil Goyal
parent 2be383423e
commit 04361fe2ac

View File

@ -1651,6 +1651,10 @@ static int qat_sym_do_precomputes(enum icp_qat_hw_auth_algo hash_alg,
QAT_LOG(ERR, "invalid keylen %u", auth_keylen);
return -EFAULT;
}
RTE_VERIFY(auth_keylen <= sizeof(ipad));
RTE_VERIFY(auth_keylen <= sizeof(opad));
rte_memcpy(ipad, auth_key, auth_keylen);
rte_memcpy(opad, auth_key, auth_keylen);