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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f32ba612ef
__core_scsi3_add_registration clears the t10_pr_registration pr_reg_deve and does a core_scsi3_lunacl_undepend_item which does an undepend and also does a kref_put from the get done in __core_scsi3_alloc_registration. So when we get to the bottom of core_scsi3_decode_spec_i_port the pr_reg_deve is NULL and we crash when trying to access the local_pr_reg's pr_reg_deve. We've also done an extra undepend for local_pr_reg and if we didn't crash on the NULL we would have done an extra kref_put too. This patch has us do a core_scsi3_lunacl_depend_item for local_pr_reg and then let __core_scsi3_add_registration handle the cleanup for the pr_reg_deve. We then just skip the undepend for the acl and tpg for the local pr_reg. The error path then works in a similar way, but we always do the core_scsi3_lunacl_undepend_item since we never call __core_scsi3_add_registration in that code path. Link: https://lore.kernel.org/r/1593654203-12442-4-git-send-email-michael.christie@oracle.com Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| .. | ||
| iscsi | ||
| loopback | ||
| sbp | ||
| tcm_fc | ||
| Kconfig | ||
| Makefile | ||
| target_core_alua.c | ||
| target_core_alua.h | ||
| target_core_configfs.c | ||
| target_core_device.c | ||
| target_core_fabric_configfs.c | ||
| target_core_fabric_lib.c | ||
| target_core_file.c | ||
| target_core_file.h | ||
| target_core_hba.c | ||
| target_core_iblock.c | ||
| target_core_iblock.h | ||
| target_core_internal.h | ||
| target_core_pr.c | ||
| target_core_pr.h | ||
| target_core_pscsi.c | ||
| target_core_pscsi.h | ||
| target_core_rd.c | ||
| target_core_rd.h | ||
| target_core_sbc.c | ||
| target_core_spc.c | ||
| target_core_stat.c | ||
| target_core_tmr.c | ||
| target_core_tpg.c | ||
| target_core_transport.c | ||
| target_core_ua.c | ||
| target_core_ua.h | ||
| target_core_user.c | ||
| target_core_xcopy.c | ||
| target_core_xcopy.h | ||