staging: rtl8723bs: ensure cmd is large enough for %4s scanf format
char array cmd is being scanned in using a %4s scanf format specifier and so cmd must be an array of 5 chars. Increase size to 5 chars to ensure we don't have an overflow. Detected with static analysis by cppcheck: "(error) Width 4 given in format string (no. 1) is larger than destination buffer 'cmd[4]', use %3s to prevent overflowing it." Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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