lib/mbedtls
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Always check return status of mutex_(un)lock()

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Manuel Pégourié-Gonnard
2015-04-24 14:42:53 +02:00
parent 8f5fd31212
commit bdd7828ca0
2 changed files with 21 additions and 10 deletions
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18
library/rsa.c
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@@ -283,7 +283,8 @@ int mbedtls_rsa_public( mbedtls_rsa_context *ctx,
}
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_lock( &ctx->mutex );
if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )
return( ret );
#endif
olen = ctx->len;
@@ -292,7 +293,8 @@ int mbedtls_rsa_public( mbedtls_rsa_context *ctx,
cleanup:
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_unlock( &ctx->mutex );
if( ( ret = mbedtls_mutex_unlock( &ctx->mutex ) ) != 0 )
return( ret );
#endif
mbedtls_mpi_free( &T );
@@ -315,7 +317,8 @@ static int rsa_prepare_blinding( mbedtls_rsa_context *ctx, mbedtls_mpi *Vi, mbed
int ret, count = 0;
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_lock( &ctx->mutex );
if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )
return( ret );
#endif
if( ctx->Vf.p != NULL )
@@ -351,7 +354,8 @@ done:
cleanup:
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_unlock( &ctx->mutex );
if( ( ret = mbedtls_mutex_unlock( &ctx->mutex ) ) != 0 )
return( ret );
#endif
return( ret );
@@ -408,7 +412,8 @@ int mbedtls_rsa_private( mbedtls_rsa_context *ctx,
}
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_lock( &ctx->mutex );
if( ( ret = mbedtls_mutex_lock( &ctx->mutex ) ) != 0 )
return( ret );
#endif
#if defined(MBEDTLS_RSA_NO_CRT)
@@ -452,7 +457,8 @@ int mbedtls_rsa_private( mbedtls_rsa_context *ctx,
cleanup:
#if defined(MBEDTLS_THREADING_C)
mbedtls_mutex_unlock( &ctx->mutex );
if( ( ret = mbedtls_mutex_unlock( &ctx->mutex ) ) != 0 )
return( ret );
mbedtls_mpi_free( &Vi_copy ); mbedtls_mpi_free( &Vf_copy );
#endif
mbedtls_mpi_free( &T ); mbedtls_mpi_free( &T1 ); mbedtls_mpi_free( &T2 );