[PATCH] shmem_file_write double kunmap

Found by Simon Trimmer <simon@veritas.com>: shmem_file_write
failure path duplicates kunmap, causing oops holding kmap_lock.

diff --git a/mm/shmem.c b/mm/shmem.c
index c8f96b13b131e11b268242a7c1e05d3943841ac5..dd55b7437d6c6f42685032cba881141d2f5c828c 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -942,7 +942,6 @@ out:
 fail_write:
        status = -EFAULT;
        ClearPageUptodate(page);
-       kunmap(page);
        goto unlock;
 }