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| author | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:17:21 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-06-25 16:19:06 +0800 |
| commit | bd4e9a26373331ef6f185500c72a8836eb7c82d9 (patch) | |
| tree | 13384e7649be7bb88ab9524efcbc602be85d5020 /fs/jbd2/recovery.c | |
| parent | 2528dbd348dd541e090594b7aac3f62351078388 (diff) | |
| parent | 2cb9802eeb7f919f97df05b16ec128f4f5af366d (diff) | |
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.07-android
Conflicts:
fs/exec.c
Solutions:
follow commit d221244a7
sched: move no_new_privs into new atomic flags
to use task_no_new_privs(current).
Diffstat (limited to 'fs/jbd2/recovery.c')
| -rw-r--r-- | fs/jbd2/recovery.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index bcbef08a4d8f..a5f72a36c6c8 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -839,15 +839,23 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh, { jbd2_journal_revoke_header_t *header; int offset, max; + int csum_size = 0; + __u32 rcount; int record_len = 4; header = (jbd2_journal_revoke_header_t *) bh->b_data; offset = sizeof(jbd2_journal_revoke_header_t); - max = be32_to_cpu(header->r_count); + rcount = be32_to_cpu(header->r_count); if (!jbd2_revoke_block_csum_verify(journal, header)) return -EINVAL; + if (jbd2_journal_has_csum_v2or3(journal)) + csum_size = sizeof(struct jbd2_journal_revoke_tail); + if (rcount > journal->j_blocksize - csum_size) + return -EINVAL; + max = rcount; + if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) record_len = 8; |