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authorMiklos Szeredi <mszeredi@suse.cz>2008-07-01 15:38:35 +0200
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-07-01 15:22:03 -0400
commit07cad1d2a4b0112acd41381d5bc6be82fd71ebac (patch)
tree736d279de9f0684b4320196478eceabb1700b89d /fs
parent100766f8347c1aeb5a548c5c7aa9012f4a3276f1 (diff)
downloadop-kernel-dev-07cad1d2a4b0112acd41381d5bc6be82fd71ebac.zip
op-kernel-dev-07cad1d2a4b0112acd41381d5bc6be82fd71ebac.tar.gz
nfsd: clean up mnt_want_write calls
Multiple mnt_want_write() calls in the switch statement looks really ugly. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Acked-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/vfs.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 5e05ddd..0f4481e 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1250,36 +1250,34 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
iap->ia_mode = 0;
iap->ia_mode = (iap->ia_mode & S_IALLUGO) | type;
+ err = nfserr_inval;
+ if (!S_ISREG(type) && !S_ISDIR(type) && !special_file(type)) {
+ printk(KERN_WARNING "nfsd: bad file type %o in nfsd_create\n",
+ type);
+ goto out;
+ }
+
+ host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
+ if (host_err)
+ goto out_nfserr;
+
/*
* Get the dir op function pointer.
*/
err = 0;
switch (type) {
case S_IFREG:
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
- if (host_err)
- goto out_nfserr;
host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL);
break;
case S_IFDIR:
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
- if (host_err)
- goto out_nfserr;
host_err = vfs_mkdir(dirp, dchild, iap->ia_mode);
break;
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
- host_err = mnt_want_write(fhp->fh_export->ex_path.mnt);
- if (host_err)
- goto out_nfserr;
host_err = vfs_mknod(dirp, dchild, iap->ia_mode, rdev);
break;
- default:
- printk("nfsd: bad file type %o in nfsd_create\n", type);
- host_err = -EINVAL;
- goto out_nfserr;
}
if (host_err < 0) {
mnt_drop_write(fhp->fh_export->ex_path.mnt);
@@ -1291,7 +1289,6 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
write_inode_now(dchild->d_inode, 1);
}
-
err2 = nfsd_create_setattr(rqstp, resfhp, iap);
if (err2)
err = err2;
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