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scsi: lpfc: Fix possible memory leak in lpfc_rcv_padisc() 

[ Upstream commit 2ae917d4bc ]

The call to lpfc_sli4_resume_rpi() in lpfc_rcv_padisc() may return an
unsuccessful status.  In such cases, the elsiocb is not issued, the
completion is not called, and thus the elsiocb resource is leaked.

Check return value after calling lpfc_sli4_resume_rpi() and conditionally
release the elsiocb resource.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240131185112.149731-3-justintee8345@gmail.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Justin Tee 2024-01-31 10:50:57 -08:00 committed by Greg Kroah-Hartman
parent a692242237
commit 3320126ed3
1 changed files with 4 additions and 2 deletions
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6
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -748,8 +748,10 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Save the ELS cmd */
elsiocb->drvrTimeout = cmd;
lpfc_sli4_resume_rpi(ndlp,
lpfc_mbx_cmpl_resume_rpi, elsiocb);
if (lpfc_sli4_resume_rpi(ndlp,
lpfc_mbx_cmpl_resume_rpi,
elsiocb))
kfree(elsiocb);
goto out;
}
}