diff mbox series

[net-next,v2] myri10ge: use strscpy() to instead of strncpy()

Message ID 202212091537298224990@zte.com.cn
State New
Headers
Series [net-next,v2] myri10ge: use strscpy() to instead of strncpy() |

Commit Message

Yang Yang Dec. 9, 2022, 7:37 a.m. UTC 
  From: Xu Panda <xu.panda@zte.com.cn>

The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
---
change for v2
 - change the subject and prefix, replace linux-next with net-next.
---
 drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Jiri Pirko Dec. 9, 2022, 9:02 a.m. UTC | #1 
Fri, Dec 09, 2022 at 08:37:29AM CET, yang.yang29@zte.com.cn wrote:
>From: Xu Panda <xu.panda@zte.com.cn>
>
>The implementation of strscpy() is more robust and safer.
>That's now the recommended way to copy NUL terminated strings.
>
>Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
>Signed-off-by: Yang Yang <yang.yang29@zte.com>

Reviewed-by: Jiri Pirko <jiri@nvidia.com>
diff mbox series

Patch

diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 9063e2e22cd5..8073d7a90a26 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -552,8 +552,7 @@  myri10ge_validate_firmware(struct myri10ge_priv *mgp,
 	}

 	/* save firmware version for ethtool */
-	strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));
-	mgp->fw_version[sizeof(mgp->fw_version) - 1] = '\0';
+	strscpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version));

 	sscanf(mgp->fw_version, "%d.%d.%d", &mgp->fw_ver_major,
 	       &mgp->fw_ver_minor, &mgp->fw_ver_tiny);