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authorPaul Mundt <lethal@linux-sh.org>2010-04-26 16:08:27 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-04-26 16:08:27 +0900
commite19553427c2e8fdb04fdd98e407164bb59a840ba (patch)
tree5332234b2dad07c03c27e4608afb16f297f41e61 /fs/9p/fid.c
parent35f6cd4a06432034665a1499ca4b022437423aac (diff)
parent83515bc7df812555e20cda48614674e2f346f9f5 (diff)
Merge branch 'sh/stable-updates'
Conflicts: arch/sh/kernel/dwarf.c drivers/dma/shdma.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'fs/9p/fid.c')
-rw-r--r--fs/9p/fid.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 08b2eb15704..7317b39b281 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/fs.h>
+#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/idr.h>
#include <net/9p/9p.h>
@@ -110,7 +111,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
{
int i, n, l, clone, any, access;
u32 uid;
- struct p9_fid *fid;
+ struct p9_fid *fid, *old_fid = NULL;
struct dentry *d, *ds;
struct v9fs_session_info *v9ses;
char **wnames, *uname;
@@ -183,10 +184,18 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
l = min(n - i, P9_MAXWELEM);
fid = p9_client_walk(fid, l, &wnames[i], clone);
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);
return fid;
}
-
+ old_fid = fid;
i += l;
clone = 0;
}