Re: One more get_task_comm()

[Prasanna Meda <pmeda@akamai.com>]

Removing assumption of  command length as 16 completely

--- arch/mips/kernel/sysirix.c.saved    Wed Nov 17 13:18:50 2004
+++ arch/mips/kernel/sysirix.c  Wed Nov 17 14:09:12 2004
@@ -282,9 +282,9 @@
                int pid = (int) regs->regs[base + 5];
                char *buf = (char *) regs->regs[base + 6];
                struct task_struct *p;
-               char comm[16];
+               char tcomm[sizeof(current->comm)];

-               retval = verify_area(VERIFY_WRITE, buf, 16);
+               retval = verify_area(VERIFY_WRITE, buf, sizeof(tcomm));
                if (retval)
                        break;
                read_lock(&tasklist_lock);
@@ -294,11 +294,11 @@
                        retval = -ESRCH;
                        break;
                }
-               memcpy(comm, p->comm, 16);
+               get_task_comm(tcomm, p);
                read_unlock(&tasklist_lock);

                /* XXX Need to check sizes. */
-               copy_to_user(buf, p->comm, 16);
+               copy_to_user(buf, tcomm, sizeof(tcomm));
                retval = 0;
                break;
        }