From 8d413713ca744fa00cf4e05d4054d80727b84789 Mon Sep 17 00:00:00 2001 From: Tsutomu Itoh Date: Mon, 25 Apr 2011 19:43:52 -0400 Subject: Btrfs: check return value of kmalloc() The check on the return value of kmalloc() is added to some places. Signed-off-by: Tsutomu Itoh Signed-off-by: Chris Mason --- fs/btrfs/inode.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/btrfs/inode.c') diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index a4157cfdd533..c718d274a352 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); -- cgit v1.2.1