Commit 8d413713 authored by Tsutomu Itoh's avatar Tsutomu Itoh Committed by Chris Mason

Btrfs: check return value of kmalloc()

The check on the return value of kmalloc() is added to some places.
Signed-off-by: default avatarTsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 43e817a1
...@@ -8059,6 +8059,10 @@ static noinline int relocate_one_extent(struct btrfs_root *extent_root, ...@@ -8059,6 +8059,10 @@ static noinline int relocate_one_extent(struct btrfs_root *extent_root,
u64 group_start = group->key.objectid; u64 group_start = group->key.objectid;
new_extents = kmalloc(sizeof(*new_extents), new_extents = kmalloc(sizeof(*new_extents),
GFP_NOFS); GFP_NOFS);
if (!new_extents) {
ret = -ENOMEM;
goto out;
}
nr_extents = 1; nr_extents = 1;
ret = get_new_locations(reloc_inode, ret = get_new_locations(reloc_inode,
extent_key, extent_key,
......
...@@ -953,6 +953,7 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page, ...@@ -953,6 +953,7 @@ static int cow_file_range_async(struct inode *inode, struct page *locked_page,
1, 0, NULL, GFP_NOFS); 1, 0, NULL, GFP_NOFS);
while (start < end) { while (start < end) {
async_cow = kmalloc(sizeof(*async_cow), GFP_NOFS); async_cow = kmalloc(sizeof(*async_cow), GFP_NOFS);
BUG_ON(!async_cow);
async_cow->inode = inode; async_cow->inode = inode;
async_cow->root = root; async_cow->root = root;
async_cow->locked_page = locked_page; async_cow->locked_page = locked_page;
...@@ -5001,6 +5002,8 @@ static noinline int uncompress_inline(struct btrfs_path *path, ...@@ -5001,6 +5002,8 @@ static noinline int uncompress_inline(struct btrfs_path *path,
inline_size = btrfs_file_extent_inline_item_len(leaf, inline_size = btrfs_file_extent_inline_item_len(leaf,
btrfs_item_nr(leaf, path->slots[0])); btrfs_item_nr(leaf, path->slots[0]));
tmp = kmalloc(inline_size, GFP_NOFS); tmp = kmalloc(inline_size, GFP_NOFS);
if (!tmp)
return -ENOMEM;
ptr = btrfs_file_extent_inline_start(item); ptr = btrfs_file_extent_inline_start(item);
read_extent_buffer(leaf, tmp, ptr, inline_size); read_extent_buffer(leaf, tmp, ptr, inline_size);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment