Parav Pandit eb15c78b05 RDMA/core: Do not invoke init_port on compat devices ... The driver interface cannot manipulate the sysfs of the compat device, only of the full device so we must avoid calling the driver sysfs APIs on compat devices. This prevents an oops: Call Trace: dump_stack+0x5a/0x73 kobject_init+0x74/0x80 kobject_init_and_add+0x35/0xb0 hfi1_create_port_files+0x6e/0x3c0 [hfi1] ib_setup_port_attrs+0x43b/0x560 [ib_core] add_one_compat_dev+0x16a/0x230 [ib_core] rdma_dev_init_net+0x110/0x160 [ib_core] ops_init+0x38/0xf0 setup_net+0xcf/0x1e0 copy_net_ns+0xb7/0x130 create_new_namespaces+0x11a/0x1b0 unshare_nsproxy_namespaces+0x55/0xa0 ksys_unshare+0x1a7/0x340 __x64_sys_unshare+0xe/0x20 do_syscall_64+0x5b/0x180 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: 5417783eab ("RDMA/core: Support core port attributes in non init_net") Reported-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>		2019-05-03 10:41:23 -03:00
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core	RDMA/core: Do not invoke init_port on compat devices	2019-05-03 10:41:23 -03:00
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