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-rw-r--r--drivers/gpu/drm/drm_fops.c4
-rw-r--r--drivers/gpu/drm/drm_sysfs.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3733e36d135e..b06a53715853 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -183,6 +183,10 @@ int drm_stub_open(struct inode *inode, struct file *filp)
old_fops = filp->f_op;
filp->f_op = fops_get(&dev->driver->fops);
+ if (filp->f_op == NULL) {
+ filp->f_op = old_fops;
+ goto out;
+ }
if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
fops_put(filp->f_op);
filp->f_op = fops_get(old_fops);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 65d72d094c81..5aa6780652aa 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -488,7 +488,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
else
minor_str = "card%d";
- snprintf(minor->kdev.bus_id, BUS_ID_SIZE, minor_str, minor->index);
+ dev_set_name(&minor->kdev, minor_str, minor->index);
err = device_register(&minor->kdev);
if (err) {