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authorJason Gunthorpe <jgg@nvidia.com>2021-01-19 10:55:19 -0400
committerJason Gunthorpe <jgg@nvidia.com>2021-01-19 10:55:19 -0400
commit02487bcc84cdec676b667096f896ba8ad254aae9 (patch)
treedf66e03b2c63f3488326357882f84b16ed532e1b /drivers/misc/pvpanic.c
parenta6dc16b6996388d016df83fb92eae16242ab7ac5 (diff)
parent1368ead04c361bb4595ace9122c79dd75e54a650 (diff)
Merge branch 'devx_set_get' into rdma.git for-next
Leon Romanovsky says: ==================== Be more strict with DEVX get/set operations for the obj_id. ==================== Based on the mlx5-next branch at git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux due to dependencies. * branch 'devx_set_get': RDMA/mlx5: Use strict get/set operations for obj_id RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation net/mlx5: Expose ifc bits for query modify header
Diffstat (limited to 'drivers/misc/pvpanic.c')
-rw-r--r--drivers/misc/pvpanic.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index 951b37da5e3c..41cab297d66e 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -55,12 +55,23 @@ static int pvpanic_mmio_probe(struct platform_device *pdev)
struct resource *res;
res = platform_get_mem_or_io(pdev, 0);
- if (res && resource_type(res) == IORESOURCE_IO)
+ if (!res)
+ return -EINVAL;
+
+ switch (resource_type(res)) {
+ case IORESOURCE_IO:
base = devm_ioport_map(dev, res->start, resource_size(res));
- else
+ if (!base)
+ return -ENOMEM;
+ break;
+ case IORESOURCE_MEM:
base = devm_ioremap_resource(dev, res);
- if (IS_ERR(base))
- return PTR_ERR(base);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+ break;
+ default:
+ return -EINVAL;
+ }
atomic_notifier_chain_register(&panic_notifier_list,
&pvpanic_panic_nb);