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FAILED: patch "[PATCH] spi: spi-fsl-dspi: Fix a resource leak in an error handling" failed to apply to 4.14-stable tree

PATCH [email protected] 1 participant 1 message May 30, 2021

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The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 680ec0549a055eb464dce6ffb4bfb736ef87236e Mon Sep 17 00:00:00 2001
From: Christophe JAILLET <[email protected]>
Date: Sun, 9 May 2021 21:12:27 +0200
Subject: [PATCH] spi: spi-fsl-dspi: Fix a resource leak in an error handling
path

'dspi_request_dma()' should be undone by a 'dspi_release_dma()' call in the error handling path of the probe function, as already done in the remove function

drivers/spi/spi-fsl-dspi.c +3 -1
index 028736687488..fb45e6af6638 100644
@@ -1375,11 +1375,13 @@ static int dspi_probe(struct platform_device *pdev)
 	ret = spi_register_controller(ctlr);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "Problem registering DSPI ctlr\n");
-		goto out_free_irq;
+		goto out_release_dma;
 	}
 
 	return ret;
 
+out_release_dma:
+	dspi_release_dma(dspi);
 out_free_irq:
 	if (dspi->irq)
 		free_irq(dspi->irq, dspi);