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Diffstat (limited to 'drivers/target/iscsi/iscsi_target_util.c')
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 3da062ccd2ab..5b26bc23016a 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -67,6 +67,8 @@ int iscsit_add_r2t_to_list(
lockdep_assert_held(&cmd->r2t_lock);
+ WARN_ON_ONCE((s32)xfer_len < 0);
+
r2t = kmem_cache_zalloc(lio_r2t_cache, GFP_ATOMIC);
if (!r2t) {
pr_err("Unable to allocate memory for struct iscsi_r2t.\n");