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Re: [PATCH 12/15] mini-os: eliminate tpmfront union member in struct file



Juergen Gross, le jeu. 06 janv. 2022 12:57:38 +0100, a ecrit:
> Replace the tpmfront specific union member in struct file with the
> common dev pointer.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

> ---
>  include/lib.h | 5 -----
>  lib/sys.c     | 2 +-
>  tpmfront.c    | 8 ++++----
>  3 files changed, 5 insertions(+), 10 deletions(-)
> 
> diff --git a/include/lib.h b/include/lib.h
> index d740065..2ddc076 100644
> --- a/include/lib.h
> +++ b/include/lib.h
> @@ -193,11 +193,6 @@ struct file {
>           struct evtchn_port_list ports;
>       } evtchn;
>       struct gntmap gntmap;
> -#ifdef CONFIG_TPMFRONT
> -     struct {
> -        struct tpmfront_dev *dev;
> -     } tpmfront;
> -#endif
>  #ifdef CONFIG_TPM_TIS
>       struct {
>          struct tpm_chip *dev;
> diff --git a/lib/sys.c b/lib/sys.c
> index b35e433..b042bf5 100644
> --- a/lib/sys.c
> +++ b/lib/sys.c
> @@ -462,7 +462,7 @@ int close(int fd)
>  #endif
>  #ifdef CONFIG_TPMFRONT
>       case FTYPE_TPMFRONT:
> -            shutdown_tpmfront(files[fd].tpmfront.dev);
> +            shutdown_tpmfront(files[fd].dev);
>           files[fd].type = FTYPE_NONE;
>           return 0;
>  #endif
> diff --git a/tpmfront.c b/tpmfront.c
> index be671c2..0a2fefc 100644
> --- a/tpmfront.c
> +++ b/tpmfront.c
> @@ -538,7 +538,7 @@ int tpmfront_open(struct tpmfront_dev* dev)
>  
>     dev->fd = alloc_fd(FTYPE_TPMFRONT);
>     printk("tpmfront_open(%s) -> %d\n", dev->nodename, dev->fd);
> -   files[dev->fd].tpmfront.dev = dev;
> +   files[dev->fd].dev = dev;
>     dev->respgot = false;
>     return dev->fd;
>  }
> @@ -547,7 +547,7 @@ int tpmfront_posix_write(int fd, const uint8_t* buf, 
> size_t count)
>  {
>     int rc;
>     struct tpmfront_dev* dev;
> -   dev = files[fd].tpmfront.dev;
> +   dev = files[fd].dev;
>  
>     if(count == 0) {
>        return 0;
> @@ -573,7 +573,7 @@ int tpmfront_posix_read(int fd, uint8_t* buf, size_t 
> count)
>     size_t dummysz;
>     struct tpmfront_dev* dev;
>  
> -   dev = files[fd].tpmfront.dev;
> +   dev = files[fd].dev;
>  
>     if(count == 0) {
>        return 0;
> @@ -606,7 +606,7 @@ int tpmfront_posix_fstat(int fd, struct stat* buf)
>     uint8_t* dummybuf;
>     size_t dummysz;
>     int rc;
> -   struct tpmfront_dev* dev = files[fd].tpmfront.dev;
> +   struct tpmfront_dev* dev = files[fd].dev;
>  
>     /* If we have a response waiting, then read it now from the backend
>      * so we can get its length*/
> -- 
> 2.26.2
> 

-- 
Samuel
/* Halley */

        (Halley's comment.)



 


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