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authorThomas Gleixner <tglx@linutronix.de>2010-05-10 11:59:37 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-05-10 14:20:42 +0200
commitdbb6be6d5e974c42bbecd183effaa0df69e1dd8b (patch)
tree5735cb47e70853d057a9881dd0ce44b83e88fa63 /fs/9p/fid.c
parent6a867a395558a7f882d041783e4cdea6744ca2bf (diff)
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
Merge branch 'linus' into timers/core
Reason: Further posix_cpu_timer patches depend on mainline changes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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 08b2eb157048..7317b39b2815 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;
}