lkml.org 
[lkml]   [2022]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[ammarfaizi2-block:google/android/kernel/common/android-trusty-5.4 2532/6879] fs/incfs/data_mgmt.c:790:21: warning: variable 'mi' set but not used
tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-trusty-5.4
head: d556bac5a4d65c759ce3c5a7529aef568f05f650
commit: 1be052b20ba04b635cf87bcff80de5314697953e [2532/6879] ANDROID: Initial commit of Incremental FS
config: x86_64-randconfig-c007-20220307 (https://download.01.org/0day-ci/archive/20220309/202203090212.bPXFBNNd-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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/ammarfaizi2/linux-block/commit/1be052b20ba04b635cf87bcff80de5314697953e
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-trusty-5.4
git checkout 1be052b20ba04b635cf87bcff80de5314697953e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/xen/ fs/incfs/

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

All warnings (new ones prefixed by >>):

>> fs/incfs/data_mgmt.c:790:21: warning: variable 'mi' set but not used [-Wunused-but-set-variable]
struct mount_info *mi = NULL;
^
1 warning generated.


vim +/mi +790 fs/incfs/data_mgmt.c

785
786 int incfs_process_new_hash_block(struct data_file *df,
787 struct incfs_new_data_block *block, u8 *data)
788 {
789 struct backing_file_context *bfc = NULL;
> 790 struct mount_info *mi = NULL;
791 struct mtree *hash_tree = NULL;
792 struct ondisk_signature *sig = NULL;
793 loff_t hash_area_base = 0;
794 loff_t hash_area_size = 0;
795 int error = 0;
796
797 if (!df || !block)
798 return -EFAULT;
799
800 if (!(block->flags & INCFS_BLOCK_FLAGS_HASH))
801 return -EINVAL;
802
803 bfc = df->df_backing_file_context;
804 mi = df->df_mount_info;
805
806 if (!df)
807 return -ENOENT;
808
809 hash_tree = df->df_hash_tree;
810 sig = df->df_signature;
811 if (!hash_tree || !sig || sig->mtree_offset == 0)
812 return -ENOTSUPP;
813
814 hash_area_base = sig->mtree_offset;
815 hash_area_size = sig->mtree_size;
816 if (hash_area_size < block->block_index * INCFS_DATA_FILE_BLOCK_SIZE
817 + block->data_len) {
818 /* Hash block goes beyond dedicated hash area of this file. */
819 return -ERANGE;
820 }
821
822 error = mutex_lock_interruptible(&bfc->bc_mutex);
823 if (!error)
824 error = incfs_write_hash_block_to_backing_file(
825 bfc, range(data, block->data_len), block->block_index,
826 hash_area_base);
827 mutex_unlock(&bfc->bc_mutex);
828 return error;
829 }
830

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

\
 
 \ /
  Last update: 2022-03-08 19:56    [W:0.042 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site