[PATCH] v9fs: signal handling fixes

[powerpc.git] / fs / 9p / vfs_inode.c

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 133db36..2cb87ba 100644 (file)
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -270,7 +270,10 @@ v9fs_create(struct v9fs_session_info *v9ses, u32 pfid, char *name, u32 perm,
        err = v9fs_t_walk(v9ses, pfid, fid, NULL, &fcall);
        if (err < 0) {
                PRINT_FCALL_ERROR("clone error", fcall);
-               goto put_fid;
+               if (fcall && fcall->id == RWALK)
+                       goto clunk_fid;
+               else
+                       goto put_fid;
        }
        kfree(fcall);
 
@@ -322,6 +325,9 @@ v9fs_clone_walk(struct v9fs_session_info *v9ses, u32 fid, struct dentry *dentry)
                &fcall);
 
        if (err < 0) {
+               if (fcall && fcall->id == RWALK)
+                       goto clunk_fid;
+
                PRINT_FCALL_ERROR("walk error", fcall);
                v9fs_put_idpool(nfid, &v9ses->fidpool);
                goto error;
@@ -640,19 +646,26 @@ static struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
        }
 
        result = v9fs_t_walk(v9ses, dirfidnum, newfid,
-               (char *)dentry->d_name.name, NULL);
+               (char *)dentry->d_name.name, &fcall);
+
        if (result < 0) {
-               v9fs_put_idpool(newfid, &v9ses->fidpool);
+               if (fcall && fcall->id == RWALK)
+                       v9fs_t_clunk(v9ses, newfid);
+               else
+                       v9fs_put_idpool(newfid, &v9ses->fidpool);
+
                if (result == -ENOENT) {
                        d_add(dentry, NULL);
                        dprintk(DEBUG_VFS,
                                "Return negative dentry %p count %d\n",
                                dentry, atomic_read(&dentry->d_count));
+                       kfree(fcall);
                        return NULL;
                }
                dprintk(DEBUG_ERROR, "walk error:%d\n", result);
                goto FreeFcall;
        }
+       kfree(fcall);
 
        result = v9fs_t_stat(v9ses, newfid, &fcall);
        if (result < 0) {