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woflcrypt/src/rsa.c: check memory allocation return value

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This commit is contained in:
Marco Oliverio
2021-11-10 11:44:30 +01:00
parent 8e0fdc64be
commit 3ea4e35737
1 changed files with 3 additions and 2 deletions
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5
wolfcrypt/src/rsa.c
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@ -2882,7 +2882,7 @@ int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
ret = MEMORY_E;
#endif
if (mp_init(c) != MP_OKAY)
if (ret == 0 && mp_init(c) != MP_OKAY)
ret = MP_INIT_E;
if (ret == 0) {
if (mp_read_unsigned_bin(c, in, inLen) != 0)
@ -2906,7 +2906,8 @@ int wc_RsaFunction(const byte* in, word32 inLen, byte* out,
mp_clear(c);
#ifdef WOLFSSL_SMALL_STACK
XFREE(c, key->heap, DYNAMIC_TYPE_RSA);
if (c != NULL)
XFREE(c, key->heap, DYNAMIC_TYPE_RSA);
#endif
if (ret != 0) {