On Tue, Jul 10, 2012 at 09:03:04AM +0800, Wanpeng Li wrote:
>From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
>
>When kmem_cache_alloc fails alloc slab object from
>hugetlbfs_inode_cachep, return -ENOMEM in usual. But
>hugetlbfs_alloc_inode implementation has inconsitency
>with it and returns NULL. Fix it to return -ENOMEM.
>
>Signed-off-by: Wanpeng Li <liwp.linux@xxxxxxxxx>
>---
> fs/hugetlbfs/inode.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
>index c4b85d0..79a0f33 100644
>--- a/fs/hugetlbfs/inode.c
>+++ b/fs/hugetlbfs/inode.c
>@@ -696,7 +696,7 @@ static struct inode *hugetlbfs_alloc_inode(struct super_block *sb)
> p = kmem_cache_alloc(hugetlbfs_inode_cachep, GFP_KERNEL);
> if (unlikely(!p)) {
> hugetlbfs_inc_free_inodes(sbinfo);
>- return NULL;
>+ return -ENOMEM;
The function is expecting "struct inode *", man.
static struct inode *hugetlbfs_alloc_inode(struct super_block *sb)
Thanks,
Gavin
> }
> return &p->vfs_inode;
> }
>--
>1.7.5.4
>
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