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Btrfs: remove always true if branch in btrfs_get_extent

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@path is always NULL when it comes to the if branch.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo 2018-08-17 05:05:28 +08:00 committed by David Sterba
parent 9c7b0c2e8d
commit bee6ec822a
1 changed files with 6 additions and 10 deletions
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16
fs/btrfs/inode.c
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@ -6821,19 +6821,15 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
em->len = (u64)-1;
em->block_len = (u64)-1;
path = btrfs_alloc_path();
if (!path) {
path = btrfs_alloc_path();
if (!path) {
err = -ENOMEM;
goto out;
}
/*
* Chances are we'll be called again, so go ahead and do
* readahead
*/
path->reada = READA_FORWARD;
err = -ENOMEM;
goto out;
}
/* Chances are we'll be called again, so go ahead and do readahead */
path->reada = READA_FORWARD;
ret = btrfs_lookup_file_extent(NULL, root, path, objectid, start, 0);
if (ret < 0) {
err = ret;