[dpdk-dev] [PATCH v4 12/18] net/i40e/base: fix checksum is used before return value is checked
From: Robin Zhang <hidden>
Date: 2021-09-06 02:16:56
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The variable checksum from i40e_calc_nvm_checksum is used before return
value is checked. Fix this logic.
Fixes: 8db9e2a1b232 ("i40e: base driver")
Fixes: 3ed6c3246f43 ("i40e/base: handle AQ timeout when releasing NVM")
Cc: stable@dpdk.org
Signed-off-by: Christopher Pau <redacted>
Signed-off-by: Robin Zhang <redacted>
---
drivers/net/i40e/base/i40e_nvm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/i40e/base/i40e_nvm.c b/drivers/net/i40e/base/i40e_nvm.c
index 67e58cc195..f385042601 100644
--- a/drivers/net/i40e/base/i40e_nvm.c
+++ b/drivers/net/i40e/base/i40e_nvm.c@@ -755,10 +755,11 @@ enum i40e_status_code i40e_update_nvm_checksum(struct i40e_hw *hw) DEBUGFUNC("i40e_update_nvm_checksum"); ret_code = i40e_calc_nvm_checksum(hw, &checksum); - le_sum = CPU_TO_LE16(checksum); - if (ret_code == I40E_SUCCESS) + if (ret_code == I40E_SUCCESS) { + le_sum = CPU_TO_LE16(checksum); ret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD, 1, &le_sum, true); + } return ret_code; }
--
2.25.1