video: fbdev: pxafb: Use correct return value for pxafb_probe()

When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1590390705-22898-1-git-send-email-yangtiezhu@loongson.cn

diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 6f972be..a53d24f 100644 (file)
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2305,7 +2305,7 @@ static int pxafb_probe(struct platform_device *dev)
        fbi->mmio_base = devm_platform_ioremap_resource(dev, 0);
        if (IS_ERR(fbi->mmio_base)) {
                dev_err(&dev->dev, "failed to get I/O memory\n");
-               ret = -EBUSY;
+               ret = PTR_ERR(fbi->mmio_base);
                goto failed;
        }