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-rw-r--r--ipc/shm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index 8c9402d298a0..de389e639e7e 100644
--- 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;

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