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| author | David Sterba <dsterba@suse.cz> | 2015-02-20 20:00:26 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2015-03-03 19:23:58 +0300 |
| commit | 31e818fe7375d60de9953051f7bd1615cebc3681 (patch) | |
| tree | c096eb4b8398ada2c04ab459705f436bde969beb /fs/btrfs/ctree.c | |
| parent | f8c269d7223f6b63cc5936eb191bc3b170d24342 (diff) | |
| download | linux-31e818fe7375d60de9953051f7bd1615cebc3681.tar.xz | |
btrfs: cleanup, use kmalloc_array/kcalloc array helpers
Convert kmalloc(nr * size, ..) to kmalloc_array that does additional
overflow checks, the zeroing variant is kcalloc.
Signed-off-by: David Sterba <dsterba@suse.cz>
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 993642199326..8595fdd50a22 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -578,7 +578,7 @@ tree_mod_log_insert_move(struct btrfs_fs_info *fs_info, if (!tree_mod_need_log(fs_info, eb)) return 0; - tm_list = kzalloc(nr_items * sizeof(struct tree_mod_elem *), flags); + tm_list = kcalloc(nr_items, sizeof(struct tree_mod_elem *), flags); if (!tm_list) return -ENOMEM; @@ -677,7 +677,7 @@ tree_mod_log_insert_root(struct btrfs_fs_info *fs_info, if (log_removal && btrfs_header_level(old_root) > 0) { nritems = btrfs_header_nritems(old_root); - tm_list = kzalloc(nritems * sizeof(struct tree_mod_elem *), + tm_list = kcalloc(nritems, sizeof(struct tree_mod_elem *), flags); if (!tm_list) { ret = -ENOMEM; @@ -814,7 +814,7 @@ tree_mod_log_eb_copy(struct btrfs_fs_info *fs_info, struct extent_buffer *dst, if (btrfs_header_level(dst) == 0 && btrfs_header_level(src) == 0) return 0; - tm_list = kzalloc(nr_items * 2 * sizeof(struct tree_mod_elem *), + tm_list = kcalloc(nr_items * 2, sizeof(struct tree_mod_elem *), GFP_NOFS); if (!tm_list) return -ENOMEM; @@ -905,8 +905,7 @@ tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct extent_buffer *eb) return 0; nritems = btrfs_header_nritems(eb); - tm_list = kzalloc(nritems * sizeof(struct tree_mod_elem *), - GFP_NOFS); + tm_list = kcalloc(nritems, sizeof(struct tree_mod_elem *), GFP_NOFS); if (!tm_list) return -ENOMEM; |