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Mon, 7 Dec 2020 23:38:55 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH 11/21] cifs: move cifs_cleanup_volume_info[_content] to fs_context.c Date: Tue, 8 Dec 2020 09:36:36 +1000 Message-Id: <20201207233646.29823-11-lsahlber@redhat.com> In-Reply-To: <20201207233646.29823-1-lsahlber@redhat.com> References: <20201207233646.29823-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org and rename it to smb3_cleanup_fs_context[_content] Signed-off-by: Ronnie Sahlberg --- fs/cifs/cifsfs.c | 2 +- fs/cifs/cifsproto.h | 3 --- fs/cifs/connect.c | 47 ++++------------------------------------------- fs/cifs/dfs_cache.c | 4 ++-- fs/cifs/fs_context.c | 45 ++++++++++++++++++++++++++++++++++++++++++--- fs/cifs/fs_context.h | 2 ++ 6 files changed, 51 insertions(+), 52 deletions(-) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index e432de7c6ca1..0288632233f6 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -866,7 +866,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type, out: if (cifs_sb) { kfree(cifs_sb->prepath); - cifs_cleanup_volume_info(cifs_sb->ctx); + smb3_cleanup_fs_context(cifs_sb->ctx); kfree(cifs_sb); } return root; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 19ee76f3a96f..b04f7270e04a 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -237,7 +237,6 @@ extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, extern int cifs_setup_cifs_sb(struct smb3_fs_context *ctx, struct cifs_sb_info *cifs_sb); extern int cifs_match_super(struct super_block *, void *); -extern void cifs_cleanup_volume_info(struct smb3_fs_context *ctx); extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx); extern void cifs_umount(struct cifs_sb_info *); extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); @@ -552,8 +551,6 @@ extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, extern int cifs_setup_volume_info(struct smb3_fs_context *ctx); -extern void -cifs_cleanup_volume_info_contents(struct smb3_fs_context *ctx); extern struct TCP_Server_Info * cifs_find_tcp_session(struct smb3_fs_context *ctx); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 47e2fe8c19a2..054cb09b8087 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2777,45 +2777,6 @@ int cifs_setup_cifs_sb(struct smb3_fs_context *ctx, return 0; } -void -cifs_cleanup_volume_info_contents(struct smb3_fs_context *ctx) -{ - if (ctx == NULL) - return; - - /* - * Make sure this stays in sync with smb3_fs_context_dup() - */ - kfree(ctx->mount_options); - ctx->mount_options = NULL; - kfree(ctx->username); - ctx->username = NULL; - kfree_sensitive(ctx->password); - ctx->password = NULL; - kfree(ctx->UNC); - ctx->UNC = NULL; - kfree(ctx->domainname); - ctx->domainname = NULL; - kfree(ctx->nodename); - ctx->nodename = NULL; - kfree(ctx->iocharset); - ctx->iocharset = NULL; - kfree(ctx->prepath); - ctx->prepath = NULL; - - unload_nls(ctx->local_nls); - ctx->local_nls = NULL; -} - -void -cifs_cleanup_volume_info(struct smb3_fs_context *ctx) -{ - if (!ctx) - return; - cifs_cleanup_volume_info_contents(ctx); - kfree(ctx); -} - /* Release all succeed connections */ static inline void mount_put_conns(struct cifs_sb_info *cifs_sb, unsigned int xid, @@ -3027,7 +2988,7 @@ expand_dfs_referral(const unsigned int xid, struct cifs_ses *ses, rc = PTR_ERR(mdata); mdata = NULL; } else { - cifs_cleanup_volume_info_contents(ctx); + smb3_cleanup_fs_context_contents(ctx); rc = cifs_setup_volume_info(ctx); } kfree(cifs_sb->ctx->mount_options); @@ -3119,7 +3080,7 @@ static int setup_dfs_tgt_conn(const char *path, const char *full_path, rc = update_vol_info(tgt_it, &fake_ctx, ctx); } } - cifs_cleanup_volume_info_contents(&fake_ctx); + smb3_cleanup_fs_context_contents(&fake_ctx); return rc; } @@ -3366,7 +3327,7 @@ static int check_dfs_prepath(struct cifs_sb_info *cifs_sb, struct smb3_fs_contex break; rc = -EREMOTE; npath = build_unc_path_to_root(&v, cifs_sb, true); - cifs_cleanup_volume_info_contents(&v); + smb3_cleanup_fs_context_contents(&v); } else { v.UNC = ctx->UNC; v.prepath = path + 1; @@ -3729,7 +3690,7 @@ static void delayed_free(struct rcu_head *p) { struct cifs_sb_info *cifs_sb = container_of(p, struct cifs_sb_info, rcu); unload_nls(cifs_sb->local_nls); - cifs_cleanup_volume_info(cifs_sb->ctx); + smb3_cleanup_fs_context(cifs_sb->ctx); kfree(cifs_sb); } diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c index 6bccff4596bf..6ad6ba5f6ebe 100644 --- a/fs/cifs/dfs_cache.c +++ b/fs/cifs/dfs_cache.c @@ -587,7 +587,7 @@ static void __vol_release(struct vol_info *vi) { kfree(vi->fullpath); kfree(vi->mntdata); - cifs_cleanup_volume_info_contents(&vi->ctx); + smb3_cleanup_fs_context_contents(&vi->ctx); kfree(vi); } @@ -1468,7 +1468,7 @@ static struct cifs_ses *find_root_ses(struct vol_info *vi, ses = cifs_get_smb_ses(server, &ctx); out: - cifs_cleanup_volume_info_contents(&ctx); + smb3_cleanup_fs_context_contents(&ctx); kfree(mdata); kfree(rpath); diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c index 1e69fdbe76d8..8b74b87d7af7 100644 --- a/fs/cifs/fs_context.c +++ b/fs/cifs/fs_context.c @@ -288,7 +288,7 @@ do { \ if (ctx->field) { \ new_ctx->field = kstrdup(ctx->field, GFP_ATOMIC); \ if (new_ctx->field == NULL) { \ - cifs_cleanup_volume_info_contents(new_ctx); \ + smb3_cleanup_fs_context_contents(new_ctx); \ return -ENOMEM; \ } \ } \ @@ -311,7 +311,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx new_ctx->iocharset = NULL; /* - * Make sure to stay in sync with cifs_cleanup_volume_info_contents() + * Make sure to stay in sync with smb3_cleanup_fs_context_contents() */ DUP_CTX_STR(prepath); DUP_CTX_STR(mount_options); @@ -615,7 +615,7 @@ static void smb3_fs_context_free(struct fs_context *fc) { struct smb3_fs_context *ctx = smb3_fc2context(fc); - cifs_cleanup_volume_info(ctx); + smb3_cleanup_fs_context(ctx); } static int smb3_reconfigure(struct fs_context *fc) @@ -1231,3 +1231,42 @@ int smb3_init_fs_context(struct fs_context *fc) fc->ops = &smb3_fs_context_ops; return 0; } + +void +smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx) +{ + if (ctx == NULL) + return; + + /* + * Make sure this stays in sync with smb3_fs_context_dup() + */ + kfree(ctx->mount_options); + ctx->mount_options = NULL; + kfree(ctx->username); + ctx->username = NULL; + kfree_sensitive(ctx->password); + ctx->password = NULL; + kfree(ctx->UNC); + ctx->UNC = NULL; + kfree(ctx->domainname); + ctx->domainname = NULL; + kfree(ctx->nodename); + ctx->nodename = NULL; + kfree(ctx->iocharset); + ctx->iocharset = NULL; + kfree(ctx->prepath); + ctx->prepath = NULL; + + unload_nls(ctx->local_nls); + ctx->local_nls = NULL; +} + +void +smb3_cleanup_fs_context(struct smb3_fs_context *ctx) +{ + if (!ctx) + return; + smb3_cleanup_fs_context_contents(ctx); + kfree(ctx); +} diff --git a/fs/cifs/fs_context.h b/fs/cifs/fs_context.h index 6e98ef526895..bb3fdce6d7f2 100644 --- a/fs/cifs/fs_context.h +++ b/fs/cifs/fs_context.h @@ -252,6 +252,8 @@ extern int cifs_parse_cache_flavor(char *value, extern int cifs_parse_security_flavors(char *value, struct smb3_fs_context *ctx); extern int smb3_init_fs_context(struct fs_context *fc); +extern void smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx); +extern void smb3_cleanup_fs_context(struct smb3_fs_context *ctx); static inline struct smb3_fs_context *smb3_fc2context(const struct fs_context *fc \ ) -- 2.13.6