hw/sd/sdcard: Do not ignore errors in sd_cmd_to_sendingdata()

Unfortunately when adding sd_cmd_to_sendingdata() in commit
f486bf7d109 we neglected to return any possible error. Fix.

Fixes: f486bf7d109 ("hw/sd/sdcard: Introduce sd_cmd_to_sendingdata and sd_generic_read_byte")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250804133406.17456-2-philmd@linaro.org>
1 file changed