From: Diana Craciun <[email protected]> [ Upstream commit 5026cf605143e764e1785bbf9158559d17f8d260 ]
Before destroying the mc_io, check first that it was allocated. Reviewed-by: Laurentiu Tudor <[email protected]> Acked-by: Laurentiu Tudor <[email protected]> Signed-off-by: Diana Craciun <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/bus/fsl-mc/mc-io.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/bus/fsl-mc/mc-io.c b/drivers/bus/fsl-mc/mc-io.c index a30b53f1d87d8..305015486b91c 100644 --- a/drivers/bus/fsl-mc/mc-io.c +++ b/drivers/bus/fsl-mc/mc-io.c @@ -129,7 +129,12 @@ int __must_check fsl_create_mc_io(struct device *dev, */ 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); -- 2.25.1
