diff mbox

[dpdk-dev,v3,22/24] net/i40e/base: fix unaligned data issue

Message ID 1515529822-10732-23-git-send-email-qi.z.zhang@intel.com (mailing list archive)
State Accepted, archived
Delegated to: Helin Zhang
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Qi Zhang Jan. 9, 2018, 8:30 p.m. UTC 
  This fix prevents errors or warnings while accessing unaligned 32-bit
data words on non-x86 platforms during getting link info from firmware.

Fixes: e8228f1a16b7 ("net/i40e/base: report supported link modes")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/i40e/base/i40e_common.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index a0a1f84b6..f3e34965f 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -2025,7 +2025,11 @@  enum i40e_status_code i40e_aq_get_link_info(struct i40e_hw *hw,
 
 	if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR &&
 	    hw->aq.api_min_ver >= 7) {
-		hw->phy.phy_types = LE32_TO_CPU(*(__le32 *)resp->link_type);
+		__le32 tmp;
+
+		i40e_memcpy(&tmp, resp->link_type, sizeof(tmp),
+			    I40E_NONDMA_TO_NONDMA);
+		hw->phy.phy_types = LE32_TO_CPU(tmp);
 		hw->phy.phy_types |= ((u64)resp->link_type_ext << 32);
 	}