9p: fix a race condition bug in umount which caused a segfault
umounting partitions after heavy activity would sometimes trigger a
segmentation violation. This fix appears to remove that problem.
Fix originally provided by Latchesar Ionkov.
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
diff --git a/net/9p/client.c b/net/9p/client.c
index bb2b8a3..cb17075 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -127,12 +127,12 @@
clnt->trans = NULL;
}
- if (clnt->fidpool)
- p9_idpool_destroy(clnt->fidpool);
-
list_for_each_entry_safe(fid, fidptr, &clnt->fidlist, flist)
p9_fid_destroy(fid);
+ if (clnt->fidpool)
+ p9_idpool_destroy(clnt->fidpool);
+
kfree(clnt);
}
EXPORT_SYMBOL(p9_client_destroy);