Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 070/101] scsi: lpfc: avoid double free of resource identifiers | Date | Mon, 3 Jul 2017 15:35:10 +0200 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Roberto Sassu <rsassu@suse.de>
[ Upstream commit cd60be4916ae689387d04b86b6fc15931e4c95ae ]
Set variables initialized in lpfc_sli4_alloc_resource_identifiers() to NULL if an error occurred. Otherwise, lpfc_sli4_driver_resource_unset() attempts to free the memory again.
Signed-off-by: Roberto Sassu <rsassu@suse.de> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/scsi/lpfc/lpfc_sli.c | 7 +++++++ 1 file changed, 7 insertions(+)
--- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -5887,18 +5887,25 @@ lpfc_sli4_alloc_resource_identifiers(str free_vfi_bmask: kfree(phba->sli4_hba.vfi_bmask); + phba->sli4_hba.vfi_bmask = NULL; free_xri_ids: kfree(phba->sli4_hba.xri_ids); + phba->sli4_hba.xri_ids = NULL; free_xri_bmask: kfree(phba->sli4_hba.xri_bmask); + phba->sli4_hba.xri_bmask = NULL; free_vpi_ids: kfree(phba->vpi_ids); + phba->vpi_ids = NULL; free_vpi_bmask: kfree(phba->vpi_bmask); + phba->vpi_bmask = NULL; free_rpi_ids: kfree(phba->sli4_hba.rpi_ids); + phba->sli4_hba.rpi_ids = NULL; free_rpi_bmask: kfree(phba->sli4_hba.rpi_bmask); + phba->sli4_hba.rpi_bmask = NULL; err_exit: return rc; }
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