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Subject[intel-tdx:guest-attest 5/8] arch/x86/coco/tdx/attest.c:246:6: warning: no previous prototype for function 'terminate_quote_request'
tree:   https://github.com/intel/tdx.git guest-attest
head: 7dd2b3e1f9d655ffb17fafb777d77d860b3a42ea
commit: 28cd09ae55b12e152d390c37224a15c43f7621e5 [5/8] x86/tdx: Add Quote generation support
config: x86_64-buildonly-randconfig-r002-20220718 (https://download.01.org/0day-ci/archive/20220720/202207200845.YVJavepg-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fa0c7639e91fa1cd0cf2ff0445a1634a90fe850a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel/tdx/commit/28cd09ae55b12e152d390c37224a15c43f7621e5
git remote add intel-tdx https://github.com/intel/tdx.git
git fetch --no-tags intel-tdx guest-attest
git checkout 28cd09ae55b12e152d390c37224a15c43f7621e5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/tdx/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> arch/x86/coco/tdx/attest.c:246:6: warning: no previous prototype for function 'terminate_quote_request' [-Wmissing-prototypes]
void terminate_quote_request(struct quote_entry *entry)
^
arch/x86/coco/tdx/attest.c:246:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void terminate_quote_request(struct quote_entry *entry)
^
static
1 warning generated.


vim +/terminate_quote_request +246 arch/x86/coco/tdx/attest.c

244
245 /* Handles early termination of GetQuote requests */
> 246 void terminate_quote_request(struct quote_entry *entry)
247 {
248 struct tdx_quote_hdr *quote_hdr;
249
250 /*
251 * For early termination, if the request is not yet
252 * processed by VMM (GET_QUOTE_IN_FLIGHT), the VMM
253 * still owns the shared buffer, so mark the request
254 * invalid to let quote_callback_handler() handle the
255 * memory cleanup function. If the request is already
256 * processed, then do the cleanup and return.
257 */
258
259 mutex_lock(&quote_lock);
260 quote_hdr = (struct tdx_quote_hdr *)entry->buf.vmaddr;
261 if (quote_hdr->status == GET_QUOTE_IN_FLIGHT) {
262 entry->valid = false;
263 mutex_unlock(&quote_lock);
264 return;
265 }
266 _del_quote_entry(entry);
267 mutex_unlock(&quote_lock);
268 }
269

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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