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Subject[PATCH] hugetlbfs: Remove unneeded return value of hugetlb_vmtruncate()
Date
The function hugetlb_vmtruncate() is guaranteed to always success since
commit 7aa91e104028 ("hugetlb: allow extending ftruncate on hugetlbfs").
So we should remove the unneeded return value which is always 0.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
fs/hugetlbfs/inode.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 394da2ab08ad..701c82c36138 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -567,7 +567,7 @@ static void hugetlbfs_evict_inode(struct inode *inode)
clear_inode(inode);
}

-static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
+static void hugetlb_vmtruncate(struct inode *inode, loff_t offset)
{
pgoff_t pgoff;
struct address_space *mapping = inode->i_mapping;
@@ -582,7 +582,6 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
hugetlb_vmdelete_list(&mapping->i_mmap, pgoff, 0);
i_mmap_unlock_write(mapping);
remove_inode_hugepages(inode, offset, LLONG_MAX);
- return 0;
}

static long hugetlbfs_punch_hole(struct inode *inode, loff_t offset, loff_t len)
@@ -781,9 +780,7 @@ static int hugetlbfs_setattr(struct user_namespace *mnt_userns,
if ((newsize < oldsize && (info->seals & F_SEAL_SHRINK)) ||
(newsize > oldsize && (info->seals & F_SEAL_GROW)))
return -EPERM;
- error = hugetlb_vmtruncate(inode, newsize);
- if (error)
- return error;
+ hugetlb_vmtruncate(inode, newsize);
}

setattr_copy(&init_user_ns, inode, attr);
--
2.19.1
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