eCryptfs: Delete a check before the function call "key_put"

The key_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around this call might not be needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 97315f2f6816..80d6901493cf 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -258,8 +258,7 @@ void ecryptfs_destroy_mount_crypt_stat(
                                  &mount_crypt_stat->global_auth_tok_list,
                                  mount_crypt_stat_list) {
                 list_del(&auth_tok->mount_crypt_stat_list);
-                if (auth_tok->global_auth_tok_key
-                    && !(auth_tok->flags & ECRYPTFS_AUTH_TOK_INVALID))
+                if (!(auth_tok->flags & ECRYPTFS_AUTH_TOK_INVALID))
                         key_put(auth_tok->global_auth_tok_key);
                 kmem_cache_free(ecryptfs_global_auth_tok_cache, auth_tok);
         }