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Commit 37b75a3a authored by Dan Carpenter's avatar Dan Carpenter Committed by Marc Kleine-Budde
Browse files

can: c_can: checking IS_ERR() instead of NULL 



devm_ioremap() returns NULL on error, not an ERR_PTR().

Fixes: 33cf7565 ('can: c_can_platform: Fix raminit, use devm_ioremap() instead of devm_ioremap_resource()')

Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.11
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 9e37bc6c

drivers/net/can/c_can/c_can_platform.c

+1 −1
Original line number Diff line number Diff line
@@ -280,7 +280,7 @@ static int c_can_plat_probe(struct platform_device *pdev) 


		priv->raminit_ctrlreg = devm_ioremap(&pdev->dev, res->start,

						     resource_size(res));

		if (IS_ERR(priv->raminit_ctrlreg) || priv->instance < 0)

		if (!priv->raminit_ctrlreg || priv->instance < 0)

			dev_info(&pdev->dev, "control memory is not used for raminit\n");

		else

			priv->raminit = c_can_hw_raminit_ti;