Philippe Mathieu-Daudé 6b1de1484e usb-ccid: make ccid_write_data_block() cope with null buffers
static code analyzer complain:

hw/usb/dev-smartcard-reader.c:816:5: warning: Null pointer passed as an argument to a 'nonnull' parameter
    memcpy(p->abData, data, len);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-05-07 09:57:51 +03:00
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