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Btrfs: return errno if possible when we fail to allocate memory

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We need to set return value explicitly, otherwise we'll lose the error
value.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Liu Bo 2013-05-14 02:12:15 +00:00 • committed by Josef Bacik
parent d88033dbf4
commit b9aa55bed1
1 changed files with 6 additions and 2 deletions
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8
fs/btrfs/inode.c
View file

@ -714,8 +714,10 @@ retry:
async_extent->ram_size - 1, 0); async_extent->ram_size - 1, 0);
em = alloc_extent_map(); em = alloc_extent_map();
if (!em) if (!em) {
ret = -ENOMEM;
goto out_free_reserve; goto out_free_reserve;
}
em->start = async_extent->start; em->start = async_extent->start;
em->len = async_extent->ram_size; em->len = async_extent->ram_size;
em->orig_start = em->start; em->orig_start = em->start;
@ -922,8 +924,10 @@ static noinline int __cow_file_range(struct btrfs_trans_handle *trans,
} }
em = alloc_extent_map(); em = alloc_extent_map();
if (!em) if (!em) {
ret = -ENOMEM;
goto out_reserve; goto out_reserve;
}
em->start = start; em->start = start;
em->orig_start = em->start; em->orig_start = em->start;
ram_size = ins.offset; ram_size = ins.offset;