Use WARN_ON instead of if condition followed by BUG in
gnttab_batch_map() and gnttab_batch_copy().
This issue was detected with the help of coccicheck.
Signed-off-by: YANG LI
Reported-by: Abaci
---
drivers/xen/grant-table.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index 3729bea..db1770c 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -1080,8 +1080,8 @@ void gnttab_batch_map(struct gnttab_map_grant_ref *batch,
unsigned count)
{
struct gnttab_map_grant_ref *op;
- if (HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, batch, count))
- BUG();
+ WARN_ON(HYPERVISOR_grant_table_op(GNTTABOP_map_grant_ref, batch,
count));
+
for (op = batch; op < batch + count; op++)
if (op->status == GNTST_eagain)
gnttab_retry_eagain_gop(GNTTABOP_map_grant_ref, op,
@@ -1093,8 +1093,8 @@ void gnttab_batch_copy(struct gnttab_copy *batch,
unsigned count)
{
struct gnttab_copy *op;
- if (HYPERVISOR_grant_table_op(GNTTABOP_copy, batch, count))
- BUG();
+ WARN_ON(HYPERVISOR_grant_table_op(GNTTABOP_copy, batch, count));
+
for (op = batch; op < batch + count; op++)
if (op->status == GNTST_eagain)
gnttab_retry_eagain_gop(GNTTABOP_copy, op,
--
1.8.3.1