Re: [PATCH 3/4] cifs: factor smb_vol allocation out of cifs_setup_volume_info

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2011/7/6 Jeff Layton <jlayton@xxxxxxxxxx>:
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
>  fs/cifs/cifsfs.c    |    6 ++--
>  fs/cifs/cifsproto.h |    4 +-
>  fs/cifs/connect.c   |   56 +++++++++++++++++++++++++-------------------------
>  3 files changed, 33 insertions(+), 33 deletions(-)
>
> diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
> index e11b831..3e29899 100644
> --- a/fs/cifs/cifsfs.c
> +++ b/fs/cifs/cifsfs.c
> @@ -649,9 +649,9 @@ cifs_do_mount(struct file_system_type *fs_type,
>
>        cFYI(1, "Devname: %s flags: %d ", dev_name, flags);
>
> -       rc = cifs_setup_volume_info(&volume_info, (char *)data, dev_name);
> -       if (rc)
> -               return ERR_PTR(rc);
> +       volume_info = cifs_get_volume_info((char *)data, dev_name);
> +       if (IS_ERR(volume_info))
> +               return ERR_CAST(volume_info);
>
>        cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL);
>        if (cifs_sb == NULL) {
> diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
> index 53b1b13..8df28e9 100644
> --- a/fs/cifs/cifsproto.h
> +++ b/fs/cifs/cifsproto.h
> @@ -155,8 +155,8 @@ extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
>                               struct cifs_sb_info *cifs_sb);
>  extern int cifs_match_super(struct super_block *, void *);
>  extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info);
> -extern int cifs_setup_volume_info(struct smb_vol **pvolume_info,
> -                                 char *mount_data, const char *devname);
> +extern struct smb_vol *cifs_get_volume_info(char *mount_data,
> +                                           const char *devname);
>  extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
>  extern void cifs_umount(struct cifs_sb_info *);
>  extern void cifs_dfs_release_automount_timer(void);
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index dd06407..46cc0ad 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -2931,33 +2931,20 @@ expand_dfs_referral(int xid, struct cifs_ses *pSesInfo,
>  }
>  #endif
>
> -int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
> -                          const char *devname)
> +static int
> +cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
> +                       const char *devname)
>  {
> -       struct smb_vol *volume_info;
>        int rc = 0;
>
> -       *pvolume_info = NULL;
> -
> -       volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
> -       if (!volume_info) {
> -               rc = -ENOMEM;
> -               goto out;
> -       }
> -
> -       if (cifs_parse_mount_options(mount_data, devname,
> -                                    volume_info)) {
> -               rc = -EINVAL;
> -               goto out;
> -       }
> +       if (cifs_parse_mount_options(mount_data, devname, volume_info))
> +               return -EINVAL;
>
>        if (volume_info->nullauth) {
>                cFYI(1, "null user");
>                volume_info->username = kzalloc(1, GFP_KERNEL);
> -               if (volume_info->username == NULL) {
> -                       rc = -ENOMEM;
> -                       goto out;
> -               }
> +               if (volume_info->username == NULL)
> +                       return -ENOMEM;
>        } else if (volume_info->username) {
>                /* BB fixme parse for domain name here */
>                cFYI(1, "Username: %s", volume_info->username);
> @@ -2965,8 +2952,7 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
>                cifserror("No username specified");
>        /* In userspace mount helper we can get user name from alternate
>           locations such as env variables and files on disk */
> -               rc = -EINVAL;
> -               goto out;
> +               return -EINVAL;
>        }
>
>        /* this is needed for ASCII cp to Unicode converts */
> @@ -2978,18 +2964,32 @@ int cifs_setup_volume_info(struct smb_vol **pvolume_info, char *mount_data,
>                if (volume_info->local_nls == NULL) {
>                        cERROR(1, "CIFS mount error: iocharset %s not found",
>                                 volume_info->iocharset);
> -                       rc = -ELIBACC;
> -                       goto out;
> +                       return -ELIBACC;
>                }
>        }
>
> -       *pvolume_info = volume_info;
> -       return rc;
> -out:
> -       cifs_cleanup_volume_info(volume_info);
>        return rc;
>  }
>
> +struct smb_vol *
> +cifs_get_volume_info(char *mount_data, const char *devname)
> +{
> +       int rc;
> +       struct smb_vol *volume_info;
> +
> +       volume_info = kzalloc(sizeof(struct smb_vol), GFP_KERNEL);
> +       if (!volume_info)
> +               return ERR_PTR(-ENOMEM);
> +
> +       rc = cifs_setup_volume_info(volume_info, mount_data, devname);
> +       if (rc) {
> +               cifs_cleanup_volume_info(volume_info);
> +               volume_info = ERR_PTR(rc);
> +       }
> +
> +       return volume_info;
> +}
> +
>  int
>  cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
>  {
> --
> 1.7.6
>
>

Reviewed-by: Pavel Shilovsky <piastryyy@xxxxxxxxx>

-- 
Best regards,
Pavel Shilovsky.
--
To unsubscribe from this list: send the line "unsubscribe linux-cifs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux