scsi: lpfc: Null pointer dereference when log_verbose is set to 0xffffffff (e92974f6) · Commits · 戴 / test

Kernel panic when log_verbose is set to 0xffffffff phba->pport is dereferenced before it is initialized Fix: Do not dereference phba->pport if it is NULL Signed-off-by:

Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:

James Smart <james.smart@broadcom.com> Signed-off-by:

Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_sli.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -7513,7 +7513,8 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba phba, LPFC_MBOXQ_t pmbox,
		"(%d):0308 Mbox cmd issue - BUSY Data: "
		"x%x x%x x%x x%x\n",
		pmbox->vport ? pmbox->vport->vpi : 0xffffff,
		mbx->mbxCommand, phba->pport->port_state,
		mbx->mbxCommand,
		phba->pport ? phba->pport->port_state : 0xff,
		psli->sli_flag, flag);

		psli->slistat.mbox_busy++;
		@@ -7565,7 +7566,8 @@ lpfc_sli_issue_mbox_s3(struct lpfc_hba phba, LPFC_MBOXQ_t pmbox,
		"(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
		"x%x\n",
		pmbox->vport ? pmbox->vport->vpi : 0,
		mbx->mbxCommand, phba->pport->port_state,
		mbx->mbxCommand,
		phba->pport ? phba->pport->port_state : 0xff,
		psli->sli_flag, flag);

		if (mbx->mbxCommand != MBX_HEARTBEAT) {

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