[PATCH 5.10 143/509] fbdev: omapfb: lcd_mipid: Fix an error handling path in mipid_spi_probe()

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From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

[ Upstream commit 79a3908d1ea6c35157a6d907b1a9d8ec06015e7a ]

If 'mipid_detect()' fails, we must free 'md' to avoid a memory leak.

Fixes: 66d2f99d0bb5 ("omapfb: add support for MIPI-DCS compatible LCDs")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/video/fbdev/omap/lcd_mipid.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/omap/lcd_mipid.c b/drivers/video/fbdev/omap/lcd_mipid.c
index a75ae0c9b14c7..d1cd8785d011d 100644
--- a/drivers/video/fbdev/omap/lcd_mipid.c
+++ b/drivers/video/fbdev/omap/lcd_mipid.c
@@ -563,11 +563,15 @@ static int mipid_spi_probe(struct spi_device *spi)
 
 	r = mipid_detect(md);
 	if (r < 0)
-		return r;
+		goto free_md;
 
 	omapfb_register_panel(&md->panel);
 
 	return 0;
+
+free_md:
+	kfree(md);
+	return r;
 }
 
 static int mipid_spi_remove(struct spi_device *spi)
-- 
2.39.2






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