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[PATCH] nfsd4: fix open-create permissions

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In the case where an open creates the file, we shouldn't be rechecking
permissions to open the file; the open succeeds regardless of what the new
file's mode bits say.

This patch fixes the problem, but only by introducing yet another parameter
to nfsd_create_v3.  This is ugly.  This will be fixed by later patches.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Acked-by: Neil Brown <neilb@suse.de>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
J. Bruce Fields
2006-11-08 17:44:40 -08:00
committed by Linus Torvalds
parent af85852de0
commit 81ac95c556
4 changed files with 9 additions and 5 deletions
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4
fs/nfsd/vfs.c
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@@ -1237,7 +1237,7 @@ __be32
nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
char *fname, int flen, struct iattr *iap,
struct svc_fh *resfhp, int createmode, u32 *verifier,
int *truncp)
int *truncp, int *created)
{
struct dentry *dentry, *dchild = NULL;
struct inode *dirp;
@@ -1331,6 +1331,8 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
if (host_err < 0)
goto out_nfserr;
if (created)
*created = 1;
if (EX_ISSYNC(fhp->fh_export)) {
err = nfserrno(nfsd_sync_dir(dentry));