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Message-ID: <201709292200.03zyUFoc%fengguang.wu@intel.com>
Date: Fri, 29 Sep 2017 22:59:52 +0800
From: kbuild test robot <lkp@...el.com>
To: Mario Limonciello <mario.limonciello@...l.com>
Cc: kbuild-all@...org, dvhart@...radead.org,
Andy Shevchenko <andy.shevchenko@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
platform-driver-x86@...r.kernel.org, quasisec@...gle.com,
pali.rohar@...il.com,
Mario Limonciello <mario.limonciello@...l.com>
Subject: Re: [PATCH v2 02/14] platform/x86: dell-smbios: drop needless
includes
Hi Mario,
[auto build test ERROR on platform-drivers-x86/for-next]
[also build test ERROR on v4.14-rc2 next-20170928]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Mario-Limonciello/Introduce-support-for-Dell-SMBIOS-over-WMI/20170929-221513
base: git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git for-next
config: i386-randconfig-x013-201739 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
Note: the linux-review/Mario-Limonciello/Introduce-support-for-Dell-SMBIOS-over-WMI/20170929-221513 HEAD 95464efdaabbd0db3ed21656ce0f227cfe01ef0c builds fine.
It only hurts bisectibility.
All error/warnings (new ones prefixed by >>):
drivers/platform/x86/dell-smbios.c: In function 'parse_da_table':
>> drivers/platform/x86/dell-smbios.c:142:18: error: implicit declaration of function 'krealloc' [-Werror=implicit-function-declaration]
new_da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
^~~~~~~~
>> drivers/platform/x86/dell-smbios.c:142:16: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
new_da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
^
drivers/platform/x86/dell-smbios.c: In function 'dell_smbios_init':
>> drivers/platform/x86/dell-smbios.c:193:2: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration]
kfree(da_tokens);
^~~~~
cc1: some warnings being treated as errors
vim +/krealloc +142 drivers/platform/x86/dell-smbios.c
504b0259 Hans de Goede 2017-03-16 124
2f9f26bd Michał Kępień 2016-01-22 125 static void __init parse_da_table(const struct dmi_header *dm)
2f9f26bd Michał Kępień 2016-01-22 126 {
2f9f26bd Michał Kępień 2016-01-22 127 /* Final token is a terminator, so we don't want to copy it */
2f9f26bd Michał Kępień 2016-01-22 128 int tokens = (dm->length-11)/sizeof(struct calling_interface_token)-1;
2f9f26bd Michał Kępień 2016-01-22 129 struct calling_interface_token *new_da_tokens;
2f9f26bd Michał Kępień 2016-01-22 130 struct calling_interface_structure *table =
2f9f26bd Michał Kępień 2016-01-22 131 container_of(dm, struct calling_interface_structure, header);
2f9f26bd Michał Kępień 2016-01-22 132
2f9f26bd Michał Kępień 2016-01-22 133 /* 4 bytes of table header, plus 7 bytes of Dell header, plus at least
2f9f26bd Michał Kępień 2016-01-22 134 6 bytes of entry */
2f9f26bd Michał Kępień 2016-01-22 135
2f9f26bd Michał Kępień 2016-01-22 136 if (dm->length < 17)
2f9f26bd Michał Kępień 2016-01-22 137 return;
2f9f26bd Michał Kępień 2016-01-22 138
2f9f26bd Michał Kępień 2016-01-22 139 da_command_address = table->cmdIOAddress;
2f9f26bd Michał Kępień 2016-01-22 140 da_command_code = table->cmdIOCode;
2f9f26bd Michał Kępień 2016-01-22 141
2f9f26bd Michał Kępień 2016-01-22 @142 new_da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
2f9f26bd Michał Kępień 2016-01-22 143 sizeof(struct calling_interface_token),
2f9f26bd Michał Kępień 2016-01-22 144 GFP_KERNEL);
2f9f26bd Michał Kępień 2016-01-22 145
2f9f26bd Michał Kępień 2016-01-22 146 if (!new_da_tokens)
2f9f26bd Michał Kępień 2016-01-22 147 return;
2f9f26bd Michał Kępień 2016-01-22 148 da_tokens = new_da_tokens;
2f9f26bd Michał Kępień 2016-01-22 149
2f9f26bd Michał Kępień 2016-01-22 150 memcpy(da_tokens+da_num_tokens, table->tokens,
2f9f26bd Michał Kępień 2016-01-22 151 sizeof(struct calling_interface_token) * tokens);
2f9f26bd Michał Kępień 2016-01-22 152
2f9f26bd Michał Kępień 2016-01-22 153 da_num_tokens += tokens;
2f9f26bd Michał Kępień 2016-01-22 154 }
2f9f26bd Michał Kępień 2016-01-22 155
2f9f26bd Michał Kępień 2016-01-22 156 static void __init find_tokens(const struct dmi_header *dm, void *dummy)
2f9f26bd Michał Kępień 2016-01-22 157 {
2f9f26bd Michał Kępień 2016-01-22 158 switch (dm->type) {
2f9f26bd Michał Kępień 2016-01-22 159 case 0xd4: /* Indexed IO */
2f9f26bd Michał Kępień 2016-01-22 160 case 0xd5: /* Protected Area Type 1 */
2f9f26bd Michał Kępień 2016-01-22 161 case 0xd6: /* Protected Area Type 2 */
2f9f26bd Michał Kępień 2016-01-22 162 break;
2f9f26bd Michał Kępień 2016-01-22 163 case 0xda: /* Calling interface */
2f9f26bd Michał Kępień 2016-01-22 164 parse_da_table(dm);
2f9f26bd Michał Kępień 2016-01-22 165 break;
2f9f26bd Michał Kępień 2016-01-22 166 }
2f9f26bd Michał Kępień 2016-01-22 167 }
2f9f26bd Michał Kępień 2016-01-22 168
2f9f26bd Michał Kępień 2016-01-22 169 static int __init dell_smbios_init(void)
2f9f26bd Michał Kępień 2016-01-22 170 {
2f9f26bd Michał Kępień 2016-01-22 171 int ret;
2f9f26bd Michał Kępień 2016-01-22 172
2f9f26bd Michał Kępień 2016-01-22 173 dmi_walk(find_tokens, NULL);
2f9f26bd Michał Kępień 2016-01-22 174
2f9f26bd Michał Kępień 2016-01-22 175 if (!da_tokens) {
2f9f26bd Michał Kępień 2016-01-22 176 pr_info("Unable to find dmi tokens\n");
2f9f26bd Michał Kępień 2016-01-22 177 return -ENODEV;
2f9f26bd Michał Kępień 2016-01-22 178 }
2f9f26bd Michał Kępień 2016-01-22 179
2f9f26bd Michał Kępień 2016-01-22 180 /*
2f9f26bd Michał Kępień 2016-01-22 181 * Allocate buffer below 4GB for SMI data--only 32-bit physical addr
2f9f26bd Michał Kępień 2016-01-22 182 * is passed to SMI handler.
2f9f26bd Michał Kępień 2016-01-22 183 */
2f9f26bd Michał Kępień 2016-01-22 184 buffer = (void *)__get_free_page(GFP_KERNEL | GFP_DMA32);
2f9f26bd Michał Kępień 2016-01-22 185 if (!buffer) {
2f9f26bd Michał Kępień 2016-01-22 186 ret = -ENOMEM;
2f9f26bd Michał Kępień 2016-01-22 187 goto fail_buffer;
2f9f26bd Michał Kępień 2016-01-22 188 }
2f9f26bd Michał Kępień 2016-01-22 189
2f9f26bd Michał Kępień 2016-01-22 190 return 0;
2f9f26bd Michał Kępień 2016-01-22 191
2f9f26bd Michał Kępień 2016-01-22 192 fail_buffer:
2f9f26bd Michał Kępień 2016-01-22 @193 kfree(da_tokens);
2f9f26bd Michał Kępień 2016-01-22 194 return ret;
2f9f26bd Michał Kępień 2016-01-22 195 }
2f9f26bd Michał Kępień 2016-01-22 196
:::::: The code at line 142 was first introduced by commit
:::::: 2f9f26bd8614740b3c3b950394d945a99492a28e dell-laptop: extract SMBIOS-related code to a separate module
:::::: TO: Michał Kępień <kernel@...pniu.pl>
:::::: CC: Darren Hart <dvhart@...ux.intel.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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