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Date: Tue, 17 Dec 2019 22:46:49 +0800 From: Yunfeng Ye <yeyunfeng@...wei.com> To: <tytso@....edu>, <adilger.kernel@...ger.ca>, <linux-ext4@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Ritesh Harjani <riteshh@...ux.ibm.com> CC: "hushiyuan@...wei.com" <hushiyuan@...wei.com>, "linfeilong@...wei.com" <linfeilong@...wei.com> Subject: [PATCH v2] ext4: fix Wunused-but-set-variable warning in ext4_add_entry() 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@...wei.com> Reviewed-by: Ritesh Harjani <riteshh@...ux.ibm.com> --- v1 -> v2: - add "Reviewed-by" 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; -- 2.7.4
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