Add a comment for the added cast with explanation.
Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org>
This commit is contained in:
parent
3f8d1216df
commit
e7e5d608fb
1 changed files with 4 additions and 0 deletions
|
@ -230,6 +230,10 @@ int afalg_fin_cipher_aio(afalg_aio *aio, int sfd, unsigned char *buf,
|
|||
memset(cb, '\0', sizeof(*cb));
|
||||
cb->aio_fildes = sfd;
|
||||
cb->aio_lio_opcode = IOCB_CMD_PREAD;
|
||||
/*
|
||||
* The pointer has to be converted to unsigned value first to avoid
|
||||
* sign extension on cast to 64 bit value
|
||||
*/
|
||||
cb->aio_buf = (uint64_t)(unsigned long)buf;
|
||||
cb->aio_offset = 0;
|
||||
cb->aio_data = 0;
|
||||
|
|
Loading…
Reference in a new issue