Re: [PATCH] scsi: fcoe: replace deprecated strncpy with strscpy

Bart Van Assche <bvanassche@xxxxxxx> · Mon, 11 Dec 2023 12:37:28 -0800

On 12/11/23 12:08, Justin Stitt wrote:
Hi,

On Tue, Oct 24, 2023 at 1:01 PM Bart Van Assche <bvanassche@xxxxxxx> wrote:

On 10/24/23 12:52, Justin Stitt wrote:

diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
index e17957f8085c..7a3ca6cd3030 100644
--- a/drivers/scsi/fcoe/fcoe_sysfs.c
+++ b/drivers/scsi/fcoe/fcoe_sysfs.c
@@ -279,12 +279,10 @@ static ssize_t store_ctlr_mode(struct device *dev,
       if (count > FCOE_MAX_MODENAME_LEN)
               return -EINVAL;

-     strncpy(mode, buf, count);
+     strscpy(mode, buf, count);

       if (mode[count - 1] == '\n')
               mode[count - 1] = '\0';
-     else
-             mode[count] = '\0';

       switch (ctlr->enabled) {
       case FCOE_CTLR_ENABLED:

Please consider to remove the code for copying the sysfs string and to
use sysfs_match_string() instead.


Sorry, I'm not too familiar with sysfs strings here.

Let me know what you think of this patch [1].

I don't use FCoE so I will leave it to an FCoE user to review that patch.

Thanks,

Bart.








