fs/exfat/fatent.c:277:1: warning: the frame size of 2048 bytes is larger than 1024 bytes

fs/exfat/fatent.c:277:1: warning: the frame size of 2048 bytes is larger than 1024 bytes

[kernel test robot]

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Hi Christophe,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dfa377c35d70c31139b1274ec49f87d380996c42
commit: 4eeef098b43242ed145c83fba9989d586d707589 powerpc/44x: Remove STDBINUTILS kconfig option
date:   7 months ago
config: powerpc-randconfig-r033-20210814 (attached as .config)
compiler: powerpc-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4eeef098b43242ed145c83fba9989d586d707589
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 4eeef098b43242ed145c83fba9989d586d707589
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc 

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/exfat/fatent.c: In function 'exfat_zeroed_cluster':
>> fs/exfat/fatent.c:277:1: warning: the frame size of 2048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
     277 | }
         | ^


vim +277 fs/exfat/fatent.c

31023864e67a5f Namjae Jeon      2020-03-02  231  
31023864e67a5f Namjae Jeon      2020-03-02  232  int exfat_zeroed_cluster(struct inode *dir, unsigned int clu)
31023864e67a5f Namjae Jeon      2020-03-02  233  {
31023864e67a5f Namjae Jeon      2020-03-02  234  	struct super_block *sb = dir->i_sb;
31023864e67a5f Namjae Jeon      2020-03-02  235  	struct exfat_sb_info *sbi = EXFAT_SB(sb);
31023864e67a5f Namjae Jeon      2020-03-02  236  	struct buffer_head *bhs[MAX_BUF_PER_PAGE];
31023864e67a5f Namjae Jeon      2020-03-02  237  	int nr_bhs = MAX_BUF_PER_PAGE;
31023864e67a5f Namjae Jeon      2020-03-02  238  	sector_t blknr, last_blknr;
31023864e67a5f Namjae Jeon      2020-03-02  239  	int err, i, n;
31023864e67a5f Namjae Jeon      2020-03-02  240  
31023864e67a5f Namjae Jeon      2020-03-02  241  	blknr = exfat_cluster_to_sector(sbi, clu);
31023864e67a5f Namjae Jeon      2020-03-02  242  	last_blknr = blknr + sbi->sect_per_clus;
31023864e67a5f Namjae Jeon      2020-03-02  243  
31023864e67a5f Namjae Jeon      2020-03-02  244  	if (last_blknr > sbi->num_sectors && sbi->num_sectors > 0) {
31023864e67a5f Namjae Jeon      2020-03-02  245  		exfat_fs_error_ratelimit(sb,
31023864e67a5f Namjae Jeon      2020-03-02  246  			"%s: out of range(sect:%llu len:%u)",
31023864e67a5f Namjae Jeon      2020-03-02  247  			__func__, (unsigned long long)blknr,
31023864e67a5f Namjae Jeon      2020-03-02  248  			sbi->sect_per_clus);
31023864e67a5f Namjae Jeon      2020-03-02  249  		return -EIO;
31023864e67a5f Namjae Jeon      2020-03-02  250  	}
31023864e67a5f Namjae Jeon      2020-03-02  251  
31023864e67a5f Namjae Jeon      2020-03-02  252  	/* Zeroing the unused blocks on this cluster */
31023864e67a5f Namjae Jeon      2020-03-02  253  	while (blknr < last_blknr) {
4dc7d35e09ba78 Tetsuhiro Kohada 2020-06-24  254  		for (n = 0; n < nr_bhs && blknr < last_blknr; n++, blknr++) {
31023864e67a5f Namjae Jeon      2020-03-02  255  			bhs[n] = sb_getblk(sb, blknr);
31023864e67a5f Namjae Jeon      2020-03-02  256  			if (!bhs[n]) {
31023864e67a5f Namjae Jeon      2020-03-02  257  				err = -ENOMEM;
31023864e67a5f Namjae Jeon      2020-03-02  258  				goto release_bhs;
31023864e67a5f Namjae Jeon      2020-03-02  259  			}
31023864e67a5f Namjae Jeon      2020-03-02  260  			memset(bhs[n]->b_data, 0, sb->s_blocksize);
31023864e67a5f Namjae Jeon      2020-03-02  261  		}
31023864e67a5f Namjae Jeon      2020-03-02  262  
4dc7d35e09ba78 Tetsuhiro Kohada 2020-06-24  263  		err = exfat_update_bhs(bhs, n, IS_DIRSYNC(dir));
31023864e67a5f Namjae Jeon      2020-03-02  264  		if (err)
31023864e67a5f Namjae Jeon      2020-03-02  265  			goto release_bhs;
31023864e67a5f Namjae Jeon      2020-03-02  266  
31023864e67a5f Namjae Jeon      2020-03-02  267  		for (i = 0; i < n; i++)
31023864e67a5f Namjae Jeon      2020-03-02  268  			brelse(bhs[i]);
4dc7d35e09ba78 Tetsuhiro Kohada 2020-06-24  269  	}
31023864e67a5f Namjae Jeon      2020-03-02  270  	return 0;
31023864e67a5f Namjae Jeon      2020-03-02  271  
31023864e67a5f Namjae Jeon      2020-03-02  272  release_bhs:
d1727d55c0327e Joe Perches      2020-04-24  273  	exfat_err(sb, "failed zeroed sect %llu\n", (unsigned long long)blknr);
31023864e67a5f Namjae Jeon      2020-03-02  274  	for (i = 0; i < n; i++)
31023864e67a5f Namjae Jeon      2020-03-02  275  		bforget(bhs[i]);
31023864e67a5f Namjae Jeon      2020-03-02  276  	return err;
31023864e67a5f Namjae Jeon      2020-03-02 @277  }
31023864e67a5f Namjae Jeon      2020-03-02  278  

:::::: The code at line 277 was first introduced by commit
:::::: 31023864e67a5f390cefbe92f72343027dc3aa33 exfat: add fat entry operations

:::::: TO: Namjae Jeon <namjae.jeon@samsung.com>
:::::: CC: Al Viro <viro@zeniv.linux.org.uk>

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

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