Re: [Patch] Wrong error handling in nfs4acl

From: Neil Brown
Date: Tue Mar 07 2006 - 18:05:05 EST


On Tuesday March 7, snakebyte@xxxxxx wrote:
> hi,
>
> this fixes coverity id #3. Coverity detected dead code,
> since the == -1 comparison only returns 0 or 1 to error.
> Therefore the if ( error < 0 ) statement was always false.
> Seems that this was an if( error = nfs4... ) statement some time
> ago, which got broken during cleanup.
> Just compile tested.
>
> Signed-off-by: Eric Sesterhenn <snakebyte@xxxxxx>
>
>
> --- linux-2.6.16-rc5-mm1/fs/nfsd/nfs4acl.c.orig 2006-03-07 20:52:34.000000000 +0100
> +++ linux-2.6.16-rc5-mm1/fs/nfsd/nfs4acl.c 2006-03-07 20:53:08.000000000 +0100
> @@ -790,7 +790,7 @@ nfs4_acl_split(struct nfs4_acl *acl, str
> continue;
>
> error = nfs4_acl_add_ace(dacl, ace->type, ace->flag,
> - ace->access_mask, ace->whotype, ace->who) == -1;
> + ace->access_mask, ace->whotype, ace->who);
> if (error < 0)
> goto out;
>
>

Yeh, thanks....
I think we want to change nfs4_acl_add_ace to return -ENOMEM rather
than -1 too.

Bruce?

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