linux-kernel - [PATCH 2/2] RDMA/srp: Fix error return code in srp_parse

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Message-ID: <1669377831-41386-2-git-send-email-wangyufen@huawei.com>
Date:   Fri, 25 Nov 2022 20:03:51 +0800
From:   Wang Yufen <wangyufen@...wei.com>
To:     <bvanassche@....org>, <jgg@...pe.ca>, <leon@...nel.org>,
        <dennis.dalessandro@...nelisnetworks.com>
CC:     <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <andriy.shevchenko@...ux.intel.com>, <bart.vanassche@....com>,
        <easwar.hariharan@...el.com>, Wang Yufen <wangyufen@...wei.com>
Subject: [PATCH 2/2] RDMA/srp: Fix error return code in srp_parse_options()

In the previous while loop, "ret" may be assigned zero. Therefore,
"ret" needs to be assigned -EINVAL at the beginning of each loop.

Fixes: e711f968c49c ("IB/srp: replace custom implementation of hex2bin()")
Fixes: 2a174df0c602 ("IB/srp: Use kstrtoull() instead of simple_strtoull()")
Fixes: 19f313438c77 ("IB/srp: Add RDMA/CM support")
Signed-off-by: Wang Yufen <wangyufen@...wei.com>
---
 drivers/infiniband/ulp/srp/ib_srp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 1075c2a..1bd3559 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -3352,6 +3352,7 @@ static int srp_parse_options(struct net *net, const char *buf,
 
 	sep_opt = options;
 	while ((p = strsep(&sep_opt, ",\n")) != NULL) {
+		ret = -EINVAL;
 		if (!*p)
 			continue;
 
-- 
1.8.3.1