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| author | David S. Miller <davem@davemloft.net> | 2012-03-18 23:29:41 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-18 23:29:41 -0400 |
| commit | 4da0bd736552e6377b407b3c3d3ae518ebbdd269 (patch) | |
| tree | f0da9f843b8033565c3ca4103fccb17a60688326 /fs/nilfs2 | |
| parent | 81a430ac1b88b0702c57d2513e247317e810e04d (diff) | |
| parent | c16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'fs/nilfs2')
| -rw-r--r-- | fs/nilfs2/the_nilfs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index d3271409437..501b7f8b739 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -409,6 +409,12 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs, nilfs->ns_first_data_block = le64_to_cpu(sbp->s_first_data_block); nilfs->ns_r_segments_percentage = le32_to_cpu(sbp->s_r_segments_percentage); + if (nilfs->ns_r_segments_percentage < 1 || + nilfs->ns_r_segments_percentage > 99) { + printk(KERN_ERR "NILFS: invalid reserved segments percentage.\n"); + return -EINVAL; + } + nilfs_set_nsegments(nilfs, le64_to_cpu(sbp->s_nsegments)); nilfs->ns_crc_seed = le32_to_cpu(sbp->s_crc_seed); return 0; @@ -515,6 +521,7 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs, brelse(sbh[1]); sbh[1] = NULL; sbp[1] = NULL; + valid[1] = 0; swp = 0; } if (!valid[swp]) { |