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| author | Javed Hasan <jhasan@marvell.com> | 2021-06-15 09:59:39 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-06-28 22:31:16 -0400 |
| commit | b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe (patch) | |
| tree | f24eb29f403a6eb5ecd877e7bcfa8b498f670ffb /drivers/scsi/libfc | |
| parent | 2506f5dcb8282aa7adf77965ef147bb5b68973e3 (diff) | |
| download | linux-b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe.tar.gz linux-b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe.tar.bz2 linux-b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe.zip | |
scsi: libfc: Fix array index out of bound exception
Fix array index out of bound exception in fc_rport_prli_resp().
Link: https://lore.kernel.org/r/20210615165939.24327-1-jhasan@marvell.com
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/libfc')
| -rw-r--r-- | drivers/scsi/libfc/fc_rport.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index cd0fb8ca2425..33da3c1085f0 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -1162,6 +1162,7 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, resp_code = (pp->spp.spp_flags & FC_SPP_RESP_MASK); FC_RPORT_DBG(rdata, "PRLI spp_flags = 0x%x spp_type 0x%x\n", pp->spp.spp_flags, pp->spp.spp_type); + rdata->spp_type = pp->spp.spp_type; if (resp_code != FC_SPP_RESP_ACK) { if (resp_code == FC_SPP_RESP_CONF) @@ -1184,11 +1185,13 @@ static void fc_rport_prli_resp(struct fc_seq *sp, struct fc_frame *fp, /* * Call prli provider if we should act as a target */ - prov = fc_passive_prov[rdata->spp_type]; - if (prov) { - memset(&temp_spp, 0, sizeof(temp_spp)); - prov->prli(rdata, pp->prli.prli_spp_len, - &pp->spp, &temp_spp); + if (rdata->spp_type < FC_FC4_PROV_SIZE) { + prov = fc_passive_prov[rdata->spp_type]; + if (prov) { + memset(&temp_spp, 0, sizeof(temp_spp)); + prov->prli(rdata, pp->prli.prli_spp_len, + &pp->spp, &temp_spp); + } } /* * Check if the image pair could be established |