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-rw-r--r--ipc/shm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index e5dc7d246f05..19633b4a2350 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -219,7 +219,8 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
if (!is_file_hugepages(shm_file))
shmem_lock(shm_file, 0, shp->mlock_user);
else if (shp->mlock_user)
- user_shm_unlock(file_inode(shm_file)->i_size, shp->mlock_user);
+ user_shm_unlock(i_size_read(file_inode(shm_file)),
+ shp->mlock_user);
fput(shm_file);
ipc_rcu_putref(shp, shm_rcu_free);
}
@@ -1280,7 +1281,7 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
* in the range we are unmapping.
*/
file = vma->vm_file;
- size = file_inode(file)->i_size;
+ size = i_size_read(file_inode(vma->vm_file));
do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
/*
* We discovered the size of the shm segment, so

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