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Add explicit unsigned-to-signed integer conversion

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The previous code triggered a compiler warning because of a comparison
of a signed and an unsigned integer.

The conversion is safe because `len` is representable by 16-bits,
hence smaller than the maximum integer.
This commit is contained in:
Hanno Becker 2018-10-10 15:48:39 +01:00
parent dc71ef8fcc
commit 8df10232cf
1 changed files with 1 additions and 1 deletions
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2
library/ssl_cli.c
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@ -2106,7 +2106,7 @@ static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
len = (*p)[0] << 8 | (*p)[1]; len = (*p)[0] << 8 | (*p)[1];
*p += 2; *p += 2;
if( end - (*p) < len ) if( end - (*p) < (int) len )
{ {
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message " MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message "
"(psk_identity_hint length)" ) ); "(psk_identity_hint length)" ) );