From c2db1073fdf9757e6fd8b4a59d15b6ecc7a2af8a Mon Sep 17 00:00:00 2001 From: Tsutomu Itoh Date: Tue, 1 Mar 2011 06:48:31 +0000 Subject: Btrfs: check return value of btrfs_alloc_path() Adding the check on the return value of btrfs_alloc_path() to several places. And, some of callers are modified by this change. Signed-off-by: Tsutomu Itoh Signed-off-by: Chris Mason --- fs/btrfs/compression.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'fs/btrfs/compression.c') diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 992a4b92083..41d1d7c70e2 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -663,8 +663,9 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, atomic_inc(&cb->pending_bios); if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { - btrfs_lookup_bio_sums(root, inode, comp_bio, - sums); + ret = btrfs_lookup_bio_sums(root, inode, + comp_bio, sums); + BUG_ON(ret); } sums += (comp_bio->bi_size + root->sectorsize - 1) / root->sectorsize; @@ -689,8 +690,10 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio, 0); BUG_ON(ret); - if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) - btrfs_lookup_bio_sums(root, inode, comp_bio, sums); + if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { + ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums); + BUG_ON(ret); + } ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); BUG_ON(ret); -- cgit v1.2.3-18-g5258