The check on the return value of kmalloc() in inode.c is added.

Signed-off-by: Tsutomu Itoh <t-i...@jp.fujitsu.com>
---
 fs/btrfs/inode.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a4157cf..c718d27 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -953,6 +953,7 @@ static int cow_file_range_async(struct inode *inode, struct 
page *locked_page,
                         1, 0, NULL, GFP_NOFS);
        while (start < end) {
                async_cow = kmalloc(sizeof(*async_cow), GFP_NOFS);
+               BUG_ON(!async_cow);
                async_cow->inode = inode;
                async_cow->root = root;
                async_cow->locked_page = locked_page;
@@ -5001,6 +5002,8 @@ static noinline int uncompress_inline(struct btrfs_path 
*path,
        inline_size = btrfs_file_extent_inline_item_len(leaf,
                                        btrfs_item_nr(leaf, path->slots[0]));
        tmp = kmalloc(inline_size, GFP_NOFS);
+       if (!tmp)
+               return -ENOMEM;
        ptr = btrfs_file_extent_inline_start(item);
 
        read_extent_buffer(leaf, tmp, ptr, inline_size);

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