From: Emil Velikov <[email protected]>

The question of "what process is this pid" keeps on popping up, so lets
print the process name alongside the pid.

Cc: Mauro Rossi <[email protected]>
Cc: Bob Beckett <[email protected]>
Cc: Pekka Paalanen <[email protected]>
Signed-off-by: Emil Velikov <[email protected]>
---
 drivers/gpu/drm/drm_file.c  |  7 ++++---
 drivers/gpu/drm/drm_ioc32.c |  4 ++--
 drivers/gpu/drm/drm_ioctl.c | 11 ++++++-----
 3 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 7194e67e78bd..9b79bfc60ad7 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -253,8 +253,8 @@ void drm_file_free(struct drm_file *file)
 
        dev = file->minor->dev;
 
-       DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
-                 task_pid_nr(current),
+       DRM_DEBUG("comm=\"%s\", pid=%d, dev=0x%lx, open_count=%d\n",
+                 current->comm, task_pid_nr(current),
                  (long)old_encode_dev(file->minor->kdev->devt),
                  atomic_read(&dev->open_count));
 
@@ -345,7 +345,8 @@ static int drm_open_helper(struct file *filp, struct 
drm_minor *minor)
        if (dev->switch_power_state != DRM_SWITCH_POWER_ON && 
dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF)
                return -EINVAL;
 
-       DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor->index);
+       DRM_DEBUG("comm=\"%s\", pid=%d, minor=%d\n", current->comm,
+                 task_pid_nr(current), minor->index);
 
        priv = drm_file_alloc(minor);
        if (IS_ERR(priv))
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
index 22c7fd7196c8..ff5d40036e21 100644
--- a/drivers/gpu/drm/drm_ioc32.c
+++ b/drivers/gpu/drm/drm_ioc32.c
@@ -985,8 +985,8 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, 
unsigned long arg)
        if (!fn)
                return drm_ioctl(filp, cmd, arg);
 
-       DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
-                 task_pid_nr(current),
+       DRM_DEBUG("comm=\"%s\", pid=%d, dev=0x%lx, auth=%d, %s\n",
+                 current->comm, task_pid_nr(current),
                  (long)old_encode_dev(file_priv->minor->kdev->devt),
                  file_priv->authenticated,
                  drm_compat_ioctls[nr].name);
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 73e31dd4e442..b03c34fb4467 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -852,8 +852,8 @@ long drm_ioctl(struct file *filp,
                out_size = 0;
        ksize = max(max(in_size, out_size), drv_size);
 
-       DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
-                 task_pid_nr(current),
+       DRM_DEBUG("comm=\"%s\" pid=%d, dev=0x%lx, auth=%d, %s\n",
+                 current->comm, task_pid_nr(current),
                  (long)old_encode_dev(file_priv->minor->kdev->devt),
                  file_priv->authenticated, ioctl->name);
 
@@ -890,15 +890,16 @@ long drm_ioctl(struct file *filp,
 
       err_i1:
        if (!ioctl)
-               DRM_DEBUG("invalid ioctl: pid=%d, dev=0x%lx, auth=%d, 
cmd=0x%02x, nr=0x%02x\n",
-                         task_pid_nr(current),
+               DRM_DEBUG("invalid ioctl: comm=\"%s\", pid=%d, dev=0x%lx, 
auth=%d, cmd=0x%02x, nr=0x%02x\n",
+                         current->comm, task_pid_nr(current),
                          (long)old_encode_dev(file_priv->minor->kdev->devt),
                          file_priv->authenticated, cmd, nr);
 
        if (kdata != stack_kdata)
                kfree(kdata);
        if (retcode)
-               DRM_DEBUG("pid=%d, ret = %d\n", task_pid_nr(current), retcode);
+               DRM_DEBUG("comm=\"%s\", pid=%d, ret = %d\n", current->comm,
+                         task_pid_nr(current), retcode);
        return retcode;
 }
 EXPORT_SYMBOL(drm_ioctl);
-- 
2.25.1

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