[PATCH hurd] rumpdisk: Deallocate buffers in write during failure paths

[Damien Zammit via Bug reports for the GNU Hurd]

---
 rumpdisk/block-rump.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rumpdisk/block-rump.c b/rumpdisk/block-rump.c
index cd7af494..8a3a404a 100644
--- a/rumpdisk/block-rump.c
+++ b/rumpdisk/block-rump.c
@@ -373,6 +373,7 @@ rumpdisk_device_write (void *d, mach_port_t reply_port,
 
       if (written < 0)
        {
+         vm_deallocate (mach_task_self (), (vm_address_t) data, count);
          pthread_rwlock_unlock (&rumpdisk_rwlock);
          return rump_errno2host (err);
        }
@@ -402,6 +403,7 @@ rumpdisk_device_write (void *d, mach_port_t reply_port,
 
          if (done < 0)
            {
+             vm_deallocate (mach_task_self (), (vm_address_t) data, count);
              pthread_rwlock_unlock (&rumpdisk_rwlock);
              return rump_errno2host (errno);
            }
-- 
2.45.2