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altcp: mbedtls: no need for SYS_ARCH locking
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parent
33f2b313c7
commit
34352e9649
@ -720,8 +720,8 @@ altcp_mbedtls_debug(void *ctx, int level, const char *file, int line, const char
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static err_t
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altcp_mbedtls_ref_entropy(void)
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{
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SYS_ARCH_DECL_PROTECT(old_level);
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SYS_ARCH_PROTECT(old_level);
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LWIP_ASSERT_CORE_LOCKED();
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if (!altcp_tls_entropy_rng) {
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altcp_tls_entropy_rng = (struct altcp_tls_entropy_rng *)altcp_mbedtls_alloc_config(sizeof(struct altcp_tls_entropy_rng));
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if (altcp_tls_entropy_rng) {
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@ -739,29 +739,25 @@ altcp_mbedtls_ref_entropy(void)
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mbedtls_entropy_free(&altcp_tls_entropy_rng->entropy);
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altcp_mbedtls_free_config(altcp_tls_entropy_rng);
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altcp_tls_entropy_rng = NULL;
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SYS_ARCH_UNPROTECT(old_level);
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return ERR_ARG;
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}
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} else {
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SYS_ARCH_UNPROTECT(old_level);
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return ERR_MEM;
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}
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} else {
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altcp_tls_entropy_rng->ref++;
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}
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SYS_ARCH_UNPROTECT(old_level);
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return ERR_OK;
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}
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static void
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altcp_mbedtls_unref_entropy(void)
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{
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SYS_ARCH_DECL_PROTECT(old_level);
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SYS_ARCH_PROTECT(old_level);
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LWIP_ASSERT_CORE_LOCKED();
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if (altcp_tls_entropy_rng && altcp_tls_entropy_rng->ref) {
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altcp_tls_entropy_rng->ref--;
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}
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SYS_ARCH_UNPROTECT(old_level);
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}
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/** Create new TLS configuration
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@ -1053,15 +1049,14 @@ altcp_tls_free_config(struct altcp_tls_config *conf)
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void
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altcp_tls_free_entropy(void)
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{
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SYS_ARCH_DECL_PROTECT(old_level);
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SYS_ARCH_PROTECT(old_level);
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LWIP_ASSERT_CORE_LOCKED();
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if (altcp_tls_entropy_rng && altcp_tls_entropy_rng->ref == 0) {
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mbedtls_ctr_drbg_free(&altcp_tls_entropy_rng->ctr_drbg);
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mbedtls_entropy_free(&altcp_tls_entropy_rng->entropy);
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altcp_mbedtls_free_config(altcp_tls_entropy_rng);
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altcp_tls_entropy_rng = NULL;
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}
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SYS_ARCH_UNPROTECT(old_level);
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}
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/* "virtual" functions */
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