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Subject[PATCH v5 10/13] bus/fsl_mc: Do not rely on caller to provide non NULL mc_io
Date
Before destroying the mc_io, check first that it was
allocated.

Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
---
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 a30b53f1d87d..305015486b91 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);
--
2.17.1
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