dlm: add missing kfrees

A couple of unlikely error conditions were missing a kfree on the error
exit path.

Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
Signed-off-by: David Teigland <teigland@redhat.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index 929e48ae7591..34f14a14fb4e 100644
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -527,8 +527,10 @@ static ssize_t device_write(struct file *file, const char __user *buf,
                 k32buf = (struct dlm_write_request32 *)kbuf;
                 kbuf = kmalloc(count + 1 + (sizeof(struct dlm_write_request) -
                                sizeof(struct dlm_write_request32)), GFP_KERNEL);
-                if (!kbuf)
+                if (!kbuf) {
+                        kfree(k32buf);
                         return -ENOMEM;
+                }
 
                 if (proc)
                         set_bit(DLM_PROC_FLAGS_COMPAT, &proc->flags);
@@ -539,8 +541,10 @@ static ssize_t device_write(struct file *file, const char __user *buf,
 
         /* do we really need this? can a write happen after a close? */
         if ((kbuf->cmd == DLM_USER_LOCK || kbuf->cmd == DLM_USER_UNLOCK) &&
-            (proc && test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags)))
-                return -EINVAL;
+            (proc && test_bit(DLM_PROC_FLAGS_CLOSING, &proc->flags))) {
+                error = -EINVAL;
+                goto out_free;
+        }
 
         sigfillset(&allsigs);
         sigprocmask(SIG_BLOCK, &allsigs, &tmpsig);