[PATCH] kernel: cobalt: replace access_ok with corresponding wrappers

Jan Kiszka jan.kiszka at siemens.com
Tue Mar 19 21:03:10 CET 2019


On 11.03.19 15:37, roman.stratiienko--- via Xenomai wrote:
> From: Roman Stratiienko <roman.stratiienko at globallogic.com>
> 
> Use access_wok / access_rok wrappers to enable support for kernel v5.0
> 
> Signed-off-by: Roman Stratiienko <roman.stratiienko at globallogic.com>
> ---
> 
> This patch is also required to support v5.0
> 
>   kernel/cobalt/pipe.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/cobalt/pipe.c b/kernel/cobalt/pipe.c
> index 0b8f8cbf8..16e85125c 100644
> --- a/kernel/cobalt/pipe.c
> +++ b/kernel/cobalt/pipe.c
> @@ -28,6 +28,7 @@
>   #include <linux/device.h>
>   #include <linux/uaccess.h>
>   #include <asm/io.h>
> +#include <asm/xenomai/syscall.h>
>   #include <cobalt/kernel/sched.h>
>   #include <cobalt/kernel/heap.h>
>   #include <cobalt/kernel/pipe.h>
> @@ -795,7 +796,7 @@ static ssize_t xnpipe_read(struct file *file,
>   	ssize_t ret;
>   	spl_t s;
>   
> -	if (!access_ok(VERIFY_WRITE, buf, count))
> +	if (!access_wok(buf, count))
>   		return -EFAULT;
>   
>   	xnlock_get_irqsave(&nklock, s);
> @@ -903,7 +904,7 @@ static ssize_t xnpipe_write(struct file *file,
>   	if (count == 0)
>   		return 0;
>   
> -	if (!access_ok(VERIFY_READ, buf, count))
> +	if (!access_rok(buf, count))
>   		return -EFAULT;
>   
>   	xnlock_get_irqsave(&nklock, s);
> 

And this one is in now as well.

Thanks,
Jan

-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux



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