static __u16 convert_disposition(int disposition)
{
	__u16 ofun = 0;

	switch (disposition) {
		case FILE_SUPERSEDE:
			ofun = SMBOPEN_OCREATE | SMBOPEN_OTRUNC;
			break;
		case FILE_OPEN:
			ofun = SMBOPEN_OAPPEND;
			break;
		case FILE_CREATE:
			ofun = SMBOPEN_OCREATE;
			break;
		case FILE_OPEN_IF:
			ofun = SMBOPEN_OCREATE | SMBOPEN_OAPPEND;
			break;
		case FILE_OVERWRITE:
			ofun = SMBOPEN_OTRUNC;
			break;
		case FILE_OVERWRITE_IF:
			ofun = SMBOPEN_OCREATE | SMBOPEN_OTRUNC;
			break;
		default:
			cFYI(1, "unknown disposition %d", disposition);
			ofun =  SMBOPEN_OAPPEND; /* regular open */
	}
	return ofun;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.