[dpdk-dev] [PATCH v2] net/cxgbe: fix a bug in t4_wr_mbox_meat_timeout

[henry]

Check return value of malloc

Signed-off-by: henry <caihe at huawei.com>
---
 drivers/net/cxgbe/base/t4_hw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/cxgbe/base/t4_hw.c b/drivers/net/cxgbe/base/t4_hw.c
index c089b06..9dca8da 100644
--- a/drivers/net/cxgbe/base/t4_hw.c
+++ b/drivers/net/cxgbe/base/t4_hw.c
@@ -359,6 +359,9 @@ int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox,
 	struct mbox_entry entry;
 	u32 pcie_fw = 0;
 
+	if (!temp)
+		return -ENOMEM;
+
 	if ((size & 15) || size > MBOX_LEN) {
 		free(temp);
 		return -EINVAL;
-- 
1.8.3.1