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fbdev: vt8500lcdfb: fix missing dma_free_coherent()

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fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not
freed if the error path is reached.

Fixes: e7b995371f ("video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Thomas Fourier 2026-01-12 15:00:27 +01:00 committed by Helge Deller
parent 994fcd4b10
commit 88b3b99243
1 changed files with 4 additions and 1 deletions
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5
drivers/video/fbdev/vt8500lcdfb.c
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@ -369,7 +369,7 @@ static int vt8500lcd_probe(struct platform_device *pdev)
if (fbi->palette_cpu == NULL) {
dev_err(&pdev->dev, "Failed to allocate palette buffer\n");
ret = -ENOMEM;
goto failed_free_io;
goto failed_free_mem_virt;
}
irq = platform_get_irq(pdev, 0);
@ -432,6 +432,9 @@ static int vt8500lcd_probe(struct platform_device *pdev)
failed_free_palette:
dma_free_coherent(&pdev->dev, fbi->palette_size,
fbi->palette_cpu, fbi->palette_phys);
failed_free_mem_virt:
dma_free_coherent(&pdev->dev, fbi->fb.fix.smem_len,
fbi->fb.screen_buffer, fbi->fb.fix.smem_start);
failed_free_io:
iounmap(fbi->regbase);
failed_free_res: