[PATCH] fs: smhfs: Fix return value of truncate()

Sascha Hauer s.hauer at pengutronix.de
Sun Nov 8 22:18:08 PST 2015


On Sun, Nov 08, 2015 at 04:21:13PM -0800, Andrey Smirnov wrote:
> Returning -ENOSYS as a result of truncate() breaks ability to write to
> semihosting host's filesystem, so change the return value to 0. This
> shouldn't cause any problems since all of the funcionlaity of
> truncate() should is already handled by 'open' (via O_TRUNC) and
> 'write' (will automatically grow the file size when writing)
> automatically
> 
> Unfortunately this was missed in original commit that introduced
> semihosting
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>

Applied, thanks

Sascha

> ---
>  fs/smhfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/smhfs.c b/fs/smhfs.c
> index a0df06c..f1b6d6b 100644
> --- a/fs/smhfs.c
> +++ b/fs/smhfs.c
> @@ -58,7 +58,7 @@ static int smhfs_truncate(struct device_d __always_unused *dev,
>  			  FILE __always_unused *f,
>  			  ulong __always_unused size)
>  {
> -	return -ENOSYS;
> +	return 0;
>  }
> 
>  static int smhfs_open(struct device_d __always_unused *dev,
> --
> 2.1.4
> 
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