9p: Check for NULL fid in v9fs_dir_release()

NULL fid should be handled in cases where we endup calling v9fs_dir_release()
before even we instantiate the fid in filp.

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
jvrao 2010-08-25 16:26:21 +00:00 committed by Eric Van Hensbergen
parent 5c25f347a7
commit 62726a7ab3

View File

@ -292,9 +292,11 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
fid = filp->private_data;
P9_DPRINTK(P9_DEBUG_VFS,
"inode: %p filp: %p fid: %d\n", inode, filp, fid->fid);
"v9fs_dir_release: inode: %p filp: %p fid: %d\n",
inode, filp, fid ? fid->fid : -1);
filemap_write_and_wait(inode->i_mapping);
p9_client_clunk(fid);
if (fid)
p9_client_clunk(fid);
return 0;
}