[PATCH v2] fbdev: fsl-diu-fb: add missing device_remove_file()

[Shixiong Ou]

From: Shixiong Ou <oushixi...@kylinos.cn>

Call device_remove_file() when driver remove.

Signed-off-by: Shixiong Ou <oushixi...@kylinos.cn>
---
v1->v2:
        add has_sysfs_attrs flag.

 drivers/video/fbdev/fsl-diu-fb.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index 5ac8201c3533..57f7fe6a4c76 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -384,6 +384,7 @@ struct fsl_diu_data {
        __le16 next_cursor[MAX_CURS * MAX_CURS] __aligned(32);
        uint8_t edid_data[EDID_LENGTH];
        bool has_edid;
+       bool has_dev_attr;
 } __aligned(32);
 
 /* Determine the DMA address of a member of the fsl_diu_data structure */
@@ -1809,6 +1810,7 @@ static int fsl_diu_probe(struct platform_device *pdev)
                        data->dev_attr.attr.name);
        }
 
+       data->has_dev_attr = true;
        dev_set_drvdata(&pdev->dev, data);
        return 0;
 
@@ -1827,6 +1829,10 @@ static void fsl_diu_remove(struct platform_device *pdev)
        int i;
 
        data = dev_get_drvdata(&pdev->dev);
+
+       if (data->has_dev_attr)
+               device_remove_file(&pdev->dev, &data->dev_attr);
+
        disable_lcdc(&data->fsl_diu_info[0]);
 
        free_irq(data->irq, data->diu_reg);
-- 
2.43.0