On 2019/12/17 22:38, Ritesh Harjani wrote: > > > On 12/17/19 5:41 PM, Yunfeng Ye wrote: >> Warning is found when compile with "-Wunused-but-set-variable": >> >> fs/ext4/namei.c: In function ‘ext4_add_entry’: >> fs/ext4/namei.c:2167:23: warning: variable ‘sbi’ set but not used >> [-Wunused-but-set-variable] >> struct ext4_sb_info *sbi; >> ^~~ >> Fix this by moving the variable @sbi under CONFIG_UNICODE. >> >> Signed-off-by: Yunfeng Ye <yeyunfeng@xxxxxxxxxx> > > Looks good to me. You may add: > > Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx> > ok, thanks. > > >> --- >> fs/ext4/namei.c | 4 +++- >> 1 file changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c >> index a856997d87b5..617349be460f 100644 >> --- a/fs/ext4/namei.c >> +++ b/fs/ext4/namei.c >> @@ -2164,7 +2164,9 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry, >> struct buffer_head *bh = NULL; >> struct ext4_dir_entry_2 *de; >> struct super_block *sb; >> +#ifdef CONFIG_UNICODE >> struct ext4_sb_info *sbi; >> +#endif >> struct ext4_filename fname; >> int retval; >> int dx_fallback=0; >> @@ -2176,12 +2178,12 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry, >> csum_size = sizeof(struct ext4_dir_entry_tail); >> >> sb = dir->i_sb; >> - sbi = EXT4_SB(sb); >> blocksize = sb->s_blocksize; >> if (!dentry->d_name.len) >> return -EINVAL; >> >> #ifdef CONFIG_UNICODE >> + sbi = EXT4_SB(sb); >> if (ext4_has_strict_mode(sbi) && IS_CASEFOLDED(dir) && >> sbi->s_encoding && utf8_validate(sbi->s_encoding, &dentry->d_name)) >> return -EINVAL; >> > > > . >