If ipcshm_restore fails to look up the file object for the region
being restored, it should return the error to its caller and not
proceed to dereference the file pointer.

Signed-off-by: Nathan Lynch <[email protected]>
---
 ipc/shm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/ipc/shm.c b/ipc/shm.c
index eed4b9a..1ba9193 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -334,7 +334,7 @@ int ipcshm_restore(struct ckpt_ctx *ctx, struct mm_struct 
*mm,
 
        file = ckpt_obj_fetch(ctx, h->ino_objref, CKPT_OBJ_FILE);
        if (IS_ERR(file))
-               PTR_ERR(file);
+               return PTR_ERR(file);
 
        shmid = file->f_dentry->d_inode->i_ino;
 
-- 
1.7.2.2

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