From: Kari Argillander kari.argillander@gmail.com
mainline inclusion from mainline-v5.15 commit 27fac77707a1d99deef33fd5f3f5f2ed96bfbf6a category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4G67J?from=project-issue CVE: NA
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init_fs_context() is meant to initialize s_fs_info (spi). Move spi initializing code there which we can initialize before fill_super().
Signed-off-by: Kari Argillander kari.argillander@gmail.com Signed-off-by: Konstantin Komarov almaz.alexandrovich@paragon-software.com Signed-off-by: Yin Xiujiang yinxiujiang@kylinos.cn Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Hou Tao houtao1@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- fs/ntfs3/super.c | 41 ++++++++++++++++++++++------------------- 1 file changed, 22 insertions(+), 19 deletions(-)
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index befa78d3cb26..420cd1409170 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -887,7 +887,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) const struct VOLUME_INFO *info; u32 idx, done, bytes; struct ATTR_DEF_ENTRY *t; - u16 *upcase = NULL; + u16 *upcase; u16 *shared; bool is_ro; struct MFT_REF ref; @@ -902,9 +902,6 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) sb->s_time_gran = NTFS_TIME_GRAN; // 100 nsec sb->s_xattr = ntfs_xattr_handlers;
- ratelimit_state_init(&sbi->msg_ratelimit, DEFAULT_RATELIMIT_INTERVAL, - DEFAULT_RATELIMIT_BURST); - sbi->options->nls = ntfs_load_nls(sbi->options->nls_name); if (IS_ERR(sbi->options->nls)) { sbi->options->nls = NULL; @@ -934,12 +931,6 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) sb->s_maxbytes = 0xFFFFFFFFull << sbi->cluster_bits; #endif
- mutex_init(&sbi->compress.mtx_lznt); -#ifdef CONFIG_NTFS3_LZX_XPRESS - mutex_init(&sbi->compress.mtx_xpress); - mutex_init(&sbi->compress.mtx_lzx); -#endif - /* * Load $Volume. This should be done before $LogFile * 'cause 'sbi->volume.ni' is used 'ntfs_set_state'. @@ -1224,11 +1215,7 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc) goto out; }
- sbi->upcase = upcase = kvmalloc(0x10000 * sizeof(short), GFP_KERNEL); - if (!upcase) { - err = -ENOMEM; - goto out; - } + upcase = sbi->upcase;
for (idx = 0; idx < (0x10000 * sizeof(short) >> PAGE_SHIFT); idx++) { const __le16 *src; @@ -1440,10 +1427,21 @@ static int ntfs_init_fs_context(struct fs_context *fc) goto ok;
sbi = kzalloc(sizeof(struct ntfs_sb_info), GFP_NOFS); - if (!sbi) { - kfree(opts); - return -ENOMEM; - } + if (!sbi) + goto free_opts; + + sbi->upcase = kvmalloc(0x10000 * sizeof(short), GFP_KERNEL); + if (!sbi->upcase) + goto free_sbi; + + ratelimit_state_init(&sbi->msg_ratelimit, DEFAULT_RATELIMIT_INTERVAL, + DEFAULT_RATELIMIT_BURST); + + mutex_init(&sbi->compress.mtx_lznt); +#ifdef CONFIG_NTFS3_LZX_XPRESS + mutex_init(&sbi->compress.mtx_xpress); + mutex_init(&sbi->compress.mtx_lzx); +#endif
sbi->options = opts; fc->s_fs_info = sbi; @@ -1452,6 +1450,11 @@ static int ntfs_init_fs_context(struct fs_context *fc) fc->ops = &ntfs_context_ops;
return 0; +free_opts: + kfree(opts); +free_sbi: + kfree(sbi); + return -ENOMEM; }
// clang-format off