Commit 5026cf60 authored Sep 29, 2020 by Diana Craciun Committed by Greg Kroah-Hartman Oct 02, 2020

bus/fsl_mc: Do not rely on caller to provide non NULL mc_io



Before destroying the mc_io, check first that it was
allocated.

Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-11-diana.craciun@oss.nxp.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 17eaf213

drivers/bus/fsl-mc/mc-io.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -129,7 +129,12 @@ error_destroy_mc_io:
		*/
		void fsl_destroy_mc_io(struct fsl_mc_io *mc_io)
		{
		struct fsl_mc_device *dpmcp_dev = mc_io->dpmcp_dev;
		struct fsl_mc_device *dpmcp_dev;

		if (!mc_io)
		return;

		dpmcp_dev = mc_io->dpmcp_dev;

		if (dpmcp_dev)
		fsl_mc_io_unset_dpmcp(mc_io);

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