From: Liu Yuan <[email protected]>
It should check if strict_strtoul() succeeds before using
'wqm_quanta_value'.
Signed-off-by: Liu Yuan <[email protected]>
---
drivers/infiniband/hw/nes/nes.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index 13de119..119d60d 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -1138,7 +1138,9 @@ static ssize_t nes_store_wqm_quanta(struct device_driver *ddp,
u32 i = 0;
struct nes_device *nesdev;
- strict_strtoul(buf, 0, &wqm_quanta_value);
+ if (strict_strtoul(buf, 0, &wqm_quanta_value) < 0)
+ return -EINVAL;
+
list_for_each_entry(nesdev, &nes_dev_list, list) {
if (i == ee_flsh_adapter) {
nesdev->nesadapter->wqm_quanta = wqm_quanta_value;
--
1.7.1