On Sun, Aug 26, 2012 at 2:34 PM, Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote:
>
> Hi Anton,
>
> FYI, coccinelle warns about
>
> fs/ntfs/super.c:2717:1-14: alloc with no test, possible model on line 2718
>
> vim +2717 fs/ntfs/super.c
> 2714 sb->s_flags |= MS_RDONLY;
> 2715 #endif /* ! NTFS_RW */
> 2716 /* Allocate a new ntfs_volume and place it in sb->s_fs_info. */
>> 2717 sb->s_fs_info = kmalloc(sizeof(ntfs_volume), GFP_NOFS);
That's i think a false alarm.
> 2718 vol = NTFS_SB(sb);
The NTFS_SB(buf) {
buf->s_fs_info;
}
so we are validating the allocated pointer s_fs_info.
correct me if i am wrong.
Thanks,
> 2719 if (!vol) {
> 2720 if (!silent)
>
> ---
> 0-DAY kernel build testing backend Open Source Technology Centre
> Fengguang Wu <wfg@xxxxxxxxxxxxxxx> Intel Corporation
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