fs: Preserve error code in get_empty_filp(), part 2

[mirror_ubuntu-bionic-kernel.git] / ipc / shm.c

diff --git a/ipc/shm.c b/ipc/shm.c
index 8c9402d298a0fb6a1ce3f9840670dfa4d9fda5b6..de389e639e7e58c36e72543c2b7b250768340080 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1042,7 +1042,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
                          is_file_hugepages(shp->shm_file) ?
                                &shm_file_operations_huge :
                                &shm_file_operations);
-       if (!file)
+       err = PTR_ERR(file);
+       if (IS_ERR(file))
                goto out_free;
 
        file->private_data = sfd;