[patch] drm/sysfs: testing the wrong variable in drm_sysfs_device_add()

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

There is a typo here so we don't check for allocation failure properly.

Fixes: 760c960bd688 ('drm/sysfs: fix hotplug regression since lifetime changes')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index bd2bca395792..c22c3097c3e8 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -516,7 +516,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
                 minor_str = "card%d";
 
 	minor->kdev = kzalloc(sizeof(*minor->kdev), GFP_KERNEL);
-	if (!minor->dev) {
+	if (!minor->kdev) {
 		r = -ENOMEM;
 		goto error;
 	}
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