From 05e59e5fb0064c97a1c10921ecd549f2d4a58565 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:14:40 +0000
Subject: [PATCH] add REDIRECT
---
kernel/drivers/infiniband/ulp/srp/ib_srp.c | 100 +++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 82 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/infiniband/ulp/srp/ib_srp.c b/kernel/drivers/infiniband/ulp/srp/ib_srp.c
index b4ccb33..9b9b955 100644
--- a/kernel/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/kernel/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1990,12 +1990,8 @@
if (unlikely(rsp->flags & SRP_RSP_FLAG_DIUNDER))
scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));
- else if (unlikely(rsp->flags & SRP_RSP_FLAG_DIOVER))
- scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_in_res_cnt));
else if (unlikely(rsp->flags & SRP_RSP_FLAG_DOUNDER))
scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));
- else if (unlikely(rsp->flags & SRP_RSP_FLAG_DOOVER))
- scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_out_res_cnt));
srp_free_req(ch, req, scmnd,
be32_to_cpu(rsp->req_lim_delta));
@@ -3397,7 +3393,8 @@
break;
case SRP_OPT_PKEY:
- if (match_hex(args, &token)) {
+ ret = match_hex(args, &token);
+ if (ret) {
pr_warn("bad P_Key parameter '%s'\n", p);
goto out;
}
@@ -3457,7 +3454,8 @@
break;
case SRP_OPT_MAX_SECT:
- if (match_int(args, &token)) {
+ ret = match_int(args, &token);
+ if (ret) {
pr_warn("bad max sect parameter '%s'\n", p);
goto out;
}
@@ -3465,8 +3463,15 @@
break;
case SRP_OPT_QUEUE_SIZE:
- if (match_int(args, &token) || token < 1) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for queue_size parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1) {
pr_warn("bad queue_size parameter '%s'\n", p);
+ ret = -EINVAL;
goto out;
}
target->scsi_host->can_queue = token;
@@ -3477,25 +3482,40 @@
break;
case SRP_OPT_MAX_CMD_PER_LUN:
- if (match_int(args, &token) || token < 1) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for max cmd_per_lun parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1) {
pr_warn("bad max cmd_per_lun parameter '%s'\n",
p);
+ ret = -EINVAL;
goto out;
}
target->scsi_host->cmd_per_lun = token;
break;
case SRP_OPT_TARGET_CAN_QUEUE:
- if (match_int(args, &token) || token < 1) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for max target_can_queue parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1) {
pr_warn("bad max target_can_queue parameter '%s'\n",
p);
+ ret = -EINVAL;
goto out;
}
target->target_can_queue = token;
break;
case SRP_OPT_IO_CLASS:
- if (match_hex(args, &token)) {
+ ret = match_hex(args, &token);
+ if (ret) {
pr_warn("bad IO class parameter '%s'\n", p);
goto out;
}
@@ -3504,6 +3524,7 @@
pr_warn("unknown IO class parameter value %x specified (use %x or %x).\n",
token, SRP_REV10_IB_IO_CLASS,
SRP_REV16A_IB_IO_CLASS);
+ ret = -EINVAL;
goto out;
}
target->io_class = token;
@@ -3526,16 +3547,24 @@
break;
case SRP_OPT_CMD_SG_ENTRIES:
- if (match_int(args, &token) || token < 1 || token > 255) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for max cmd_sg_entries parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1 || token > 255) {
pr_warn("bad max cmd_sg_entries parameter '%s'\n",
p);
+ ret = -EINVAL;
goto out;
}
target->cmd_sg_cnt = token;
break;
case SRP_OPT_ALLOW_EXT_SG:
- if (match_int(args, &token)) {
+ ret = match_int(args, &token);
+ if (ret) {
pr_warn("bad allow_ext_sg parameter '%s'\n", p);
goto out;
}
@@ -3543,43 +3572,77 @@
break;
case SRP_OPT_SG_TABLESIZE:
- if (match_int(args, &token) || token < 1 ||
- token > SG_MAX_SEGMENTS) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for max sg_tablesize parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1 || token > SG_MAX_SEGMENTS) {
pr_warn("bad max sg_tablesize parameter '%s'\n",
p);
+ ret = -EINVAL;
goto out;
}
target->sg_tablesize = token;
break;
case SRP_OPT_COMP_VECTOR:
- if (match_int(args, &token) || token < 0) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for comp_vector parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 0) {
pr_warn("bad comp_vector parameter '%s'\n", p);
+ ret = -EINVAL;
goto out;
}
target->comp_vector = token;
break;
case SRP_OPT_TL_RETRY_COUNT:
- if (match_int(args, &token) || token < 2 || token > 7) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for tl_retry_count parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 2 || token > 7) {
pr_warn("bad tl_retry_count parameter '%s' (must be a number between 2 and 7)\n",
p);
+ ret = -EINVAL;
goto out;
}
target->tl_retry_count = token;
break;
case SRP_OPT_MAX_IT_IU_SIZE:
- if (match_int(args, &token) || token < 0) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for max it_iu_size parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 0) {
pr_warn("bad maximum initiator to target IU size '%s'\n", p);
+ ret = -EINVAL;
goto out;
}
target->max_it_iu_size = token;
break;
case SRP_OPT_CH_COUNT:
- if (match_int(args, &token) || token < 1) {
+ ret = match_int(args, &token);
+ if (ret) {
+ pr_warn("match_int() failed for channel count parameter '%s', Error %d\n",
+ p, ret);
+ goto out;
+ }
+ if (token < 1) {
pr_warn("bad channel count %s\n", p);
+ ret = -EINVAL;
goto out;
}
target->ch_count = token;
@@ -3588,6 +3651,7 @@
default:
pr_warn("unknown parameter or missing value '%s' in target creation request\n",
p);
+ ret = -EINVAL;
goto out;
}
}
--
Gitblit v1.6.2