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authorIngo Molnar <mingo@elte.hu>2009-03-13 01:33:21 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 01:33:21 +0100
commit480c93df5b99699390f93a7024c9f60d09da0e96 (patch)
treeb93b6c8c71c5f2e716dd05b126e01ef4e20ff0af /fs/xfs/xfs_log_recover.c
parentMerge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/linux/kerne... (diff)
parentlocking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit] (diff)
downloadlinux-480c93df5b99699390f93a7024c9f60d09da0e96.tar.xz
linux-480c93df5b99699390f93a7024c9f60d09da0e96.zip
Merge branch 'core/locking' into tracing/ftrace
Diffstat (limited to 'fs/xfs/xfs_log_recover.c')
-rw-r--r--fs/xfs/xfs_log_recover.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index b1047de2fffd..61af610d79b3 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1455,10 +1455,19 @@ xlog_recover_add_to_trans(
item = item->ri_prev;
if (item->ri_total == 0) { /* first region to be added */
- item->ri_total = in_f->ilf_size;
- ASSERT(item->ri_total <= XLOG_MAX_REGIONS_IN_ITEM);
- item->ri_buf = kmem_zalloc((item->ri_total *
- sizeof(xfs_log_iovec_t)), KM_SLEEP);
+ if (in_f->ilf_size == 0 ||
+ in_f->ilf_size > XLOG_MAX_REGIONS_IN_ITEM) {
+ xlog_warn(
+ "XFS: bad number of regions (%d) in inode log format",
+ in_f->ilf_size);
+ ASSERT(0);
+ return XFS_ERROR(EIO);
+ }
+
+ item->ri_total = in_f->ilf_size;
+ item->ri_buf =
+ kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
+ KM_SLEEP);
}
ASSERT(item->ri_total > item->ri_cnt);
/* Description region is ri_buf[0] */