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authorAl Viro <viro@zeniv.linux.org.uk>2012-01-10 17:11:49 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-10 17:13:16 +0100
commitf4947fbce208990266920d51837e4e7ba9779db1 (patch)
treea541edc5de897ce03f54d83c1a1c8147ce22b605 /fs/coda/dir.c
parentcoda: deal correctly with allocation failure from coda_cnode_makectl() (diff)
downloadlinux-f4947fbce208990266920d51837e4e7ba9779db1.tar.xz
linux-f4947fbce208990266920d51837e4e7ba9779db1.zip
coda: switch coda_cnode_make() to sane API as well, clean coda_lookup()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/coda/dir.c')
-rw-r--r--fs/coda/dir.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index df0f9c1b01d3..177515829062 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -96,12 +96,11 @@ const struct file_operations coda_dir_operations = {
/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd)
{
- struct inode *inode = NULL;
- struct CodaFid resfid = { { 0, } };
- int type = 0;
- int error = 0;
+ struct super_block *sb = dir->i_sb;
const char *name = entry->d_name.name;
size_t length = entry->d_name.len;
+ struct inode *inode;
+ int type = 0;
if (length > CODA_MAXNAMLEN) {
printk(KERN_ERR "name too long: lookup, %s (%*s)\n",
@@ -111,23 +110,21 @@ static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struc
/* control object, create inode on the fly */
if (coda_isroot(dir) && coda_iscontrol(name, length)) {
- inode = coda_cnode_makectl(dir->i_sb);
+ inode = coda_cnode_makectl(sb);
type = CODA_NOCACHE;
- goto exit;
+ } else {
+ struct CodaFid fid = { { 0, } };
+ int error = venus_lookup(sb, coda_i2f(dir), name, length,
+ &type, &fid);
+ inode = !error ? coda_cnode_make(&fid, sb) : ERR_PTR(error);
}
- error = venus_lookup(dir->i_sb, coda_i2f(dir), name, length,
- &type, &resfid);
- if (!error)
- error = coda_cnode_make(&inode, &resfid, dir->i_sb);
-
- if (error && error != -ENOENT)
- return ERR_PTR(error);
-
-exit:
- if (inode && !IS_ERR(inode) && (type & CODA_NOCACHE))
+ if (!IS_ERR(inode) && (type & CODA_NOCACHE))
coda_flag_inode(inode, C_VATTR | C_PURGE);
+ if (inode == ERR_PTR(-ENOENT))
+ inode = NULL;
+
return d_splice_alias(inode, entry);
}