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[PATCH] knfsd: nfsd4: better nfs4acl errors

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We're returning -1 in a few places in the NFSv4<->POSIX acl translation code
where we could return a reasonable error.

Also allows some minor simplification elsewhere.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-04-10 22:55:25 -07:00 committed by Linus Torvalds
parent 249920527f
commit b905b7b0a0
2 changed files with 6 additions and 7 deletions
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6
fs/nfsd/nfs4acl.c
View file

@ -710,9 +710,9 @@ calculate_posix_ace_count(struct nfs4_acl *n4acl)
/* Also, the remaining entries are for named users and
* groups, and come in threes (mask, allow, deny): */
if (n4acl->naces < 7)
return -1;
return -EINVAL;
if ((n4acl->naces - 7) % 3)
return -1;
return -EINVAL;
return 4 + (n4acl->naces - 7)/3;
}
}
@ -866,7 +866,7 @@ nfs4_acl_add_ace(struct nfs4_acl *acl, u32 type, u32 flag, u32 access_mask,
struct nfs4_ace *ace;
if ((ace = kmalloc(sizeof(*ace), GFP_KERNEL)) == NULL)
return -1;
return -ENOMEM;
ace->type = type;
ace->flag = flag;

7
fs/nfsd/nfs4xdr.c
View file

@ -299,11 +299,10 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, struct iattr *ia
buf, dummy32, &ace.who);
if (status)
goto out_nfserr;
if (nfs4_acl_add_ace(*acl, ace.type, ace.flag,
ace.access_mask, ace.whotype, ace.who) != 0) {
status = -ENOMEM;
status = nfs4_acl_add_ace(*acl, ace.type, ace.flag,
ace.access_mask, ace.whotype, ace.who);
if (status)
goto out_nfserr;
}
}
} else
*acl = NULL;