Re: [PATCH 3/3] mctp: Add MCTP-over-KCS transport binding

From: kernel test robot
Date: Thu Sep 28 2023 - 19:09:13 EST


Hi Konstantin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on cminyard-ipmi/for-next]
[also build test WARNING on linus/master v6.6-rc3 next-20230928]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Konstantin-Aladyshev/ipmi-Move-KCS-headers-to-common-include-folder/20230928-203248
base: https://github.com/cminyard/linux-ipmi for-next
patch link: https://lore.kernel.org/r/20230928123009.2913-4-aladyshev22%40gmail.com
patch subject: [PATCH 3/3] mctp: Add MCTP-over-KCS transport binding
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230929/202309290613.qxRTI9f7-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309290613.qxRTI9f7-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309290613.qxRTI9f7-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:8,
from include/linux/skbuff.h:28,
from include/linux/if_arp.h:22,
from drivers/net/mctp/mctp-kcs.c:16:
drivers/net/mctp/mctp-kcs.c: In function 'mctp_kcs_validate_data':
>> drivers/net/mctp/mctp-kcs.c:121:25: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'long unsigned int' [-Wformat=]
121 | "%s: KCS binding header error! len = 0x%02x, but should be 0x%02x",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
144 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/net/mctp/mctp-kcs.c:120:17: note: in expansion of macro 'dev_err'
120 | dev_err(mkcs->client.dev->dev,
| ^~~~~~~
drivers/net/mctp/mctp-kcs.c:121:89: note: format string is defined here
121 | "%s: KCS binding header error! len = 0x%02x, but should be 0x%02x",
| ~~~^
| |
| unsigned int
| %02lx


vim +121 drivers/net/mctp/mctp-kcs.c

95
96 static int mctp_kcs_validate_data(struct mctp_kcs *mkcs,
97 struct mctp_kcs_header *hdr, int len)
98 {
99 struct net_device *ndev = mkcs->netdev;
100 struct mctp_kcs_trailer *tlr;
101 u8 pec;
102
103 if (hdr->netfn_lun != MCTP_KCS_NETFN_LUN) {
104 dev_err(mkcs->client.dev->dev,
105 "%s: KCS binding header error! netfn_lun = 0x%02x, but should be 0x%02x",
106 __func__, hdr->netfn_lun, MCTP_KCS_NETFN_LUN);
107 ndev->stats.rx_dropped++;
108 return -EINVAL;
109 }
110 if (hdr->defining_body != DEFINING_BODY_DMTF_PRE_OS_WORKING_GROUP) {
111 dev_err(mkcs->client.dev->dev,
112 "%s: KCS binding header error! defining_body = 0x%02x, but should be 0x%02x",
113 __func__, hdr->defining_body,
114 DEFINING_BODY_DMTF_PRE_OS_WORKING_GROUP);
115 ndev->stats.rx_dropped++;
116 return -EINVAL;
117 }
118 if (hdr->len != (len - sizeof(struct mctp_kcs_header) -
119 sizeof(struct mctp_kcs_trailer))) {
120 dev_err(mkcs->client.dev->dev,
> 121 "%s: KCS binding header error! len = 0x%02x, but should be 0x%02x",
122 __func__, hdr->len,
123 (len - sizeof(struct mctp_kcs_header) -
124 sizeof(struct mctp_kcs_trailer)));
125 ndev->stats.rx_length_errors++;
126 return -EINVAL;
127 }
128
129 pec = generate_pec((u8 *)(hdr + 1), hdr->len);
130 tlr = (struct mctp_kcs_trailer *)((u8 *)(hdr + 1) + hdr->len);
131 if (pec != tlr->pec) {
132 dev_err(mkcs->client.dev->dev,
133 "%s: PEC error! Packet value=0x%02x, calculated value=0x%02x",
134 __func__, tlr->pec, pec);
135 ndev->stats.rx_crc_errors++;
136 return -EINVAL;
137 }
138 return 0;
139 }
140

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki