pseries/papr-hvpipe: Kill task_struct pointer from struct hvpipe_source_info

We don't really use task_struct pointer for anything meaningful. So just
kill it for now, and we can bring back later if we need this for any
future debug purposes.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/895e061e45cdc95db36fa7f27aa1922b81eed867.1777606826.git.ritesh.list@gmail.com

diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.c b/arch/powerpc/platforms/pseries/papr-hvpipe.c
index 5aa37f6..46159f1 100644 (file)
--- a/arch/powerpc/platforms/pseries/papr-hvpipe.c
+++ b/arch/powerpc/platforms/pseries/papr-hvpipe.c
@@ -493,7 +493,6 @@ static int papr_hvpipe_dev_create_handle(u32 srcID)
                return -ENOMEM;
 
        src_info->srcID = srcID;
-       src_info->tsk = current;
        init_waitqueue_head(&src_info->recv_wqh);
 
        /*
@@ -503,8 +502,8 @@ static int papr_hvpipe_dev_create_handle(u32 srcID)
        spin_lock_irqsave(&hvpipe_src_list_lock, flags);
        if (hvpipe_find_source(srcID)) {
                spin_unlock_irqrestore(&hvpipe_src_list_lock, flags);
-               pr_err("pid(%d) could not get the source(%d)\n",
-                               src_info->tsk->pid, srcID);
+               pr_err("pid(%s:%d) could not get the source(%d)\n",
+                               current->comm, task_pid_nr(current), srcID);
                kfree(src_info);
                return -EALREADY;
        }

diff --git a/arch/powerpc/platforms/pseries/papr-hvpipe.h b/arch/powerpc/platforms/pseries/papr-hvpipe.h
index c343f42..4bdf7bb 100644 (file)
--- a/arch/powerpc/platforms/pseries/papr-hvpipe.h
+++ b/arch/powerpc/platforms/pseries/papr-hvpipe.h
@@ -21,7 +21,6 @@ struct hvpipe_source_info {
        u32 srcID;
        u32 hvpipe_status;
        wait_queue_head_t recv_wqh;      /* wake up poll() waitq */
-       struct task_struct *tsk;
 };
 
 /*