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fs/9p: Clunk the fid resulting from partial walk of the name

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Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V
2010-03-19 12:47:26 +00:00
committed by Eric Van Hensbergen
parent 9208d24253
commit 5b0fa207d1
1 changed files with 10 additions and 2 deletions
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12
fs/9p/fid.c
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@@ -110,7 +110,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
{ {
int i, n, l, clone, any, access; int i, n, l, clone, any, access;
u32 uid; u32 uid;
struct p9_fid *fid; struct p9_fid *fid, *old_fid = NULL;
struct dentry *d, *ds; struct dentry *d, *ds;
struct v9fs_session_info *v9ses; struct v9fs_session_info *v9ses;
char **wnames, *uname; char **wnames, *uname;
@@ -183,10 +183,18 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
l = min(n - i, P9_MAXWELEM); l = min(n - i, P9_MAXWELEM);
fid = p9_client_walk(fid, l, &wnames[i], clone); fid = p9_client_walk(fid, l, &wnames[i], clone);
if (IS_ERR(fid)) { if (IS_ERR(fid)) {
if (old_fid) {
/*
* If we fail, clunk fid which are mapping
* to path component and not the last component
* of the path.
*/
p9_client_clunk(old_fid);
}
kfree(wnames); kfree(wnames);
return fid; return fid;
} }
old_fid = fid;
i += l; i += l;
clone = 0; clone = 0;
} }