2022-12-02 04:13:34

by wangyufen

Subject: [PATCH v5 1/2] RDMA/hfi1: Fix error return code in parse_platform_config()

In the previous iteration of the while loop, the "ret" may have been
assigned a value of 0, so the error return code -EINVAL may have been
incorrectly set to 0. To fix set valid return code before calling to
goto.

Fixes: 97167e813415 ("staging/rdma/hfi1: Tune for unknown channel if configuration file is absent")
Signed-off-by: Wang Yufen <[email protected]>
---
drivers/infiniband/hw/hfi1/firmware.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/infiniband/hw/hfi1/firmware.c b/drivers/infiniband/hw/hfi1/firmware.c
index 1d77514..0c0cef5 100644
--- a/drivers/infiniband/hw/hfi1/firmware.c
+++ b/drivers/infiniband/hw/hfi1/firmware.c
@@ -1743,6 +1743,7 @@ int parse_platform_config(struct hfi1_devdata *dd)

if (!dd->platform_config.data) {
dd_dev_err(dd, "%s: Missing config file\n", __func__);
+ ret = -EINVAL;
goto bail;
}
ptr = (u32 *)dd->platform_config.data;
@@ -1751,6 +1752,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
ptr++;
if (magic_num != PLATFORM_CONFIG_MAGIC_NUM) {
dd_dev_err(dd, "%s: Bad config file\n", __func__);
+ ret = -EINVAL;
goto bail;
}

@@ -1774,6 +1776,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
if (file_length > dd->platform_config.size) {
dd_dev_info(dd, "%s:File claims to be larger than read size\n",
__func__);
+ ret = -EINVAL;
goto bail;
} else if (file_length < dd->platform_config.size) {
dd_dev_info(dd,
@@ -1794,6 +1797,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
dd_dev_err(dd, "%s: Failed validation at offset %ld\n",
__func__, (ptr - (u32 *)
dd->platform_config.data));
+ ret = -EINVAL;
goto bail;
}

@@ -1837,6 +1841,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
__func__, table_type,
(ptr - (u32 *)
dd->platform_config.data));
+ ret = -EINVAL;
goto bail; /* We don't trust this file now */
}
pcfgcache->config_tables[table_type].table = ptr;
@@ -1856,6 +1861,7 @@ int parse_platform_config(struct hfi1_devdata *dd)
__func__, table_type,
(ptr -
(u32 *)dd->platform_config.data));
+ ret = -EINVAL;
goto bail; /* We don't trust this file now */
}
pcfgcache->config_tables[table_type].table_metadata =
--
1.8.3.1

2022-12-04 13:36:25

by Leon Romanovsky

Subject: Re: [PATCH v5 1/2] RDMA/hfi1: Fix error return code in parse_platform_config()

On Fri, 2 Dec 2022 12:00:37 +0800, Wang Yufen wrote:
> In the previous iteration of the while loop, the "ret" may have been
> assigned a value of 0, so the error return code -EINVAL may have been
> incorrectly set to 0. To fix set valid return code before calling to
> goto.
>
>

Applied, thanks!

[1/2] RDMA/hfi1: Fix error return code in parse_platform_config()
https://git.kernel.org/rdma/rdma/c/725349f8ba1e78
[2/2] RDMA/srp: Fix error return code in srp_parse_options()
https://git.kernel.org/rdma/rdma/c/ed461b30b22c8f

Best regards,
--
Leon Romanovsky <[email protected]>