Check trans before dereferencing it.
Signed-off-by: Eryu Guan <[email protected]>
---
ctree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/ctree.c b/ctree.c
index 1434007..f9d972a 100644
--- a/ctree.c
+++ b/ctree.c
@@ -356,7 +356,7 @@ int btrfs_cow_block(struct btrfs_trans_handle *trans,
WARN_ON(1);
}
*/
- if (trans->transid != root->fs_info->generation) {
+ if (trans && trans->transid != root->fs_info->generation) {
printk(KERN_CRIT "trans %llu running %llu\n",
(unsigned long long)trans->transid,
(unsigned long long)root->fs_info->generation);
--
2.4.3
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