[iwlwifi-next:iwlmei 2/6] drivers/net/wireless/intel/iwlwifi/mei/main.c:972:5: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'}

From: kernel test robot
Date: Thu Jul 15 2021 - 09:09:04 EST

tree: https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git iwlmei
head: aad614fbd0f4eee40f731cff93b5366b1f3153f3
commit: 056acc96d6063163ecad5fc458caa92afd647512 [2/6] iwlwifi: mei: add the driver to allow cooperation with CSME
config: i386-allyesconfig (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git/commit/?id=056acc96d6063163ecad5fc458caa92afd647512
git remote add iwlwifi-next https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next.git
git fetch --no-tags iwlwifi-next iwlmei
git checkout 056acc96d6063163ecad5fc458caa92afd647512
# save the attached .config to linux build tree
make W=1 ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from include/linux/skbuff.h:31,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/net/wireless/intel/iwlwifi/mei/main.c:6:
drivers/net/wireless/intel/iwlwifi/mei/main.c: In function 'iwl_mei_handle_sap_data':
>> drivers/net/wireless/intel/iwlwifi/mei/main.c:972:5: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'} [-Wformat=]
972 | "Data queue is corrupted: valid data len %ld, len %d\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/net/wireless/intel/iwlwifi/mei/main.c:971:4: note: in expansion of macro 'dev_err'
971 | dev_err(&cldev->dev,
| ^~~~~~~
drivers/net/wireless/intel/iwlwifi/mei/main.c:972:48: note: format string is defined here
972 | "Data queue is corrupted: valid data len %ld, len %d\n",
| ~~^
| |
| long int
| %d
In file included from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from include/linux/skbuff.h:31,
from include/linux/if_ether.h:19,
from include/linux/etherdevice.h:20,
from drivers/net/wireless/intel/iwlwifi/mei/main.c:6:
drivers/net/wireless/intel/iwlwifi/mei/main.c: In function 'iwl_mei_rx':
drivers/net/wireless/intel/iwlwifi/mei/main.c:1160:24: warning: format '%ld' expects argument of type 'long int', but argument 3 has type 'ssize_t' {aka 'int'} [-Wformat=]
1160 | dev_err(&cldev->dev, "failed to receive data: %ld\n", ret);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/net/wireless/intel/iwlwifi/mei/main.c:1160:3: note: in expansion of macro 'dev_err'
1160 | dev_err(&cldev->dev, "failed to receive data: %ld\n", ret);
| ^~~~~~~
drivers/net/wireless/intel/iwlwifi/mei/main.c:1160:51: note: format string is defined here
1160 | dev_err(&cldev->dev, "failed to receive data: %ld\n", ret);
| ~~^
| |
| long int
| %d


vim +972 drivers/net/wireless/intel/iwlwifi/mei/main.c

946
947 static void iwl_mei_handle_sap_data(struct mei_cl_device *cldev,
948 const u8 *q_head, u32 q_sz,
949 u32 rd, u32 wr, ssize_t valid_rx_sz,
950 struct sk_buff_head *tx_skbs)
951 {
952 struct iwl_sap_hdr hdr;
953 struct net_device *netdev =
954 rcu_dereference_protected(iwl_mei_cache.netdev,
955 lockdep_is_held(&iwl_mei_mutex));
956
957 if (!netdev)
958 return;
959
960 while (valid_rx_sz >= sizeof(hdr)) {
961 struct ethhdr *ethhdr;
962 unsigned char *data;
963 struct sk_buff *skb;
964 u16 len;
965
966 iwl_mei_read_from_q(q_head, q_sz, &rd, wr, &hdr, sizeof(hdr));
967 valid_rx_sz -= sizeof(hdr);
968 len = le16_to_cpu(hdr.len);
969
970 if (valid_rx_sz < len) {
971 dev_err(&cldev->dev,
> 972 "Data queue is corrupted: valid data len %ld, len %d\n",
973 valid_rx_sz, len);
974 break;
975 }
976
977 if (len < sizeof(*ethhdr)) {
978 dev_err(&cldev->dev,
979 "Data len is smaller than an ethernet header? len = %d\n",
980 len);
981 }
982
983 valid_rx_sz -= len;
984
985 if (le16_to_cpu(hdr.type) != SAP_MSG_DATA_PACKET) {
986 dev_err(&cldev->dev, "Unsupported Rx data: type %d, len %d\n",
987 le16_to_cpu(hdr.type), len);
988 continue;
989 }
990
991 /* We need enough room for the WiFi header + SNAP + IV */
992 skb = netdev_alloc_skb(netdev, len + 26 + 8 + 8);
993
994 skb_reserve(skb, 26 + 8 + 8);
995 ethhdr = skb_push(skb, sizeof(*ethhdr));
996
997 iwl_mei_read_from_q(q_head, q_sz, &rd, wr,
998 ethhdr, sizeof(*ethhdr));
999 len -= sizeof(*ethhdr);
1000
1001 skb_reset_mac_header(skb);
1002 skb_reset_network_header(skb);
1003 skb->protocol = ethhdr->h_proto;
1004
1005 data = skb_put(skb, len);
1006 iwl_mei_read_from_q(q_head, q_sz, &rd, wr, data, len);
1007
1008 /*
1009 * Enqueue the skb here so that it can be sent later when we
1010 * do not hold the mutex. TX'ing a packet with a mutex held is
1011 * possible, but it wouldn't be nice to forbid the TX path to
1012 * call any of iwlmei's functions, since every API from iwlmei
1013 * needs the mutex.
1014 */
1015 __skb_queue_tail(tx_skbs, skb);
1016 }
1017 }
1018

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Attachment: .config.gz
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