Re: [PATCH] scsi: fcoe: add missed kfree() in an error path

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On 2020/7/9 15:22, Markus Elfring wrote:
fcoe_fdmi_info() misses to call kfree() in an error path.
Add the missed function call to fix it.

I suggest to use an additional jump target for the completion
of the desired exception handling.


…
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -830,6 +830,7 @@ static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev)
           if (rc) {
               printk(KERN_INFO "fcoe: Failed to retrieve FDMI "
                       "information from netdev.\n");
+            kfree(fdmi);
               return;
           }

-            return;
+            goto free_fdmi;


How do you think about to apply any further coding style adjustments?

The local variable "fdmi" is invisible to the function.

I have got understanding difficulties for this information.
The function call “kfree(fdmi)” is already used at the end of this if branch.
Thus I propose to add a label there.

Do you notice any additional improvement possibilities for this software module?

Indeed, Will change in the next version.
Thanks for your review

Regards,
Markus
.




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