Re: [PATCH] cifs: propagate cifs_new_fileinfo() error back to the caller

On Mon, May 10, 2010 at 11:16 PM, Suresh Jayaraman <[email protected]> wrote:
> ..otherwise memory allocation errors go undetected.
>
> Signed-off-by: Suresh Jayaraman <[email protected]>
> ---
>  fs/cifs/dir.c |   17 +++++++++++++----
>  1 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
> index bd363df..86d3c0c 100644
> --- a/fs/cifs/dir.c
> +++ b/fs/cifs/dir.c
> @@ -261,8 +261,14 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
>         * cifs_fill_filedata() takes care of setting cifsFileInfo pointer to
>         * file->private_data.
>         */
> -       if (mnt)
> -               cifs_new_fileinfo(*pinode, *pnetfid, NULL, mnt, oflags);
> +       if (mnt) {
> +               struct cifsFileInfo *pfile_info;
> +
> +               pfile_info = cifs_new_fileinfo(*pinode, *pnetfid, NULL, mnt,
> +                                              oflags);
> +               if (pfile_info == NULL)
> +                       rc = -ENOMEM;
> +       }
>
>  posix_open_ret:
>        kfree(presp_data);
> @@ -476,12 +482,15 @@ cifs_create_set_dentry:
>                /* mknod case - do not leave file open */
>                CIFSSMBClose(xid, tcon, fileHandle);
>        } else if (!(posix_create) && (newinode)) {
> +               struct cifsFileInfo *pfile_info;
>                /*
>                 * cifs_fill_filedata() takes care of setting cifsFileInfo
>                 * pointer to file->private_data.
>                 */
> -               cifs_new_fileinfo(newinode, fileHandle, NULL, nd->path.mnt,
> -                                 oflags);
> +               pfile_info = cifs_new_fileinfo(newinode, fileHandle, NULL,
> +                                              nd->path.mnt, oflags);
> +               if (pfile_info == NULL)
> +                       rc = -ENOMEM;
>        }
>  cifs_create_out:
>        kfree(buf);
> --
> 1.6.4.2
>
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>

Reviewed-by: Shirish S. Pargaonkar <[email protected]>