[U-Boot] [PATCHv2 2/3] spl: Lightweight UBI and UBI fastmap support
Marek Vasut
marex at denx.de
Wed Jan 6 18:09:21 CET 2016
On Wednesday, January 06, 2016 at 05:52:04 PM, Ladislav Michl wrote:
> Hi,
>
> I cannot work on ubispl till next week, so just one quick additional patch
> before v3 in case anyone wants to give it a try.
> Move vol_id check to ubi_scan_vid_hdr to verify it has meaningfull value
> before testing ubi->toload (in my case 0x7FFFEFFF was read causing test_bit
> hang)
The MW opens mid-January or so, so that's fine.
I'm leaving review of the MTD parts to the more experienced people.
> ladis
>
> diff --git a/drivers/mtd/ubispl/ubispl.c b/drivers/mtd/ubispl/ubispl.c
> index a779759..c38beb7 100644
> --- a/drivers/mtd/ubispl/ubispl.c
> +++ b/drivers/mtd/ubispl/ubispl.c
> @@ -123,19 +123,12 @@ static int ubi_rescan_fm_vid_hdr(struct ubi_scan_info
> *ubi, /* Insert the logic block into the volume info */
> static int ubi_add_peb_to_vol(struct ubi_scan_info *ubi,
> struct ubi_vid_hdr *vh, u32 vol_id,
> - u32 vol_type, u32 pnum, u32 lnum)
> + u32 pnum, u32 lnum)
> {
> struct ubi_vol_info *vi = ubi->volinfo + vol_id;
> u32 *ltp;
>
> /*
> - * We only care about static volumes with an id <
> - * UBI_SPL_VOL_IDS.
> - */
> - if (vol_id >= UBI_SPL_VOL_IDS || vol_type != UBI_VID_STATIC)
> - return 0;
> -
> - /*
> * If the volume is larger than expected, yell and give up :(
> */
> if (lnum >= UBI_MAX_VOL_LEBS) {
> @@ -218,13 +211,16 @@ static int ubi_scan_vid_hdr(struct ubi_scan_info
> *ubi, struct ubi_vid_hdr *vh, if (vol_id == UBI_FM_SB_VOLUME_ID)
> return ubi->fm_enabled ? UBI_FASTMAP_ANCHOR : 0;
>
> + /* We only care about static volumes with an id < UBI_SPL_VOL_IDS */
> + if (vol_id >= UBI_SPL_VOL_IDS || vh->vol_type != UBI_VID_STATIC)
> + return 0;
> +
> /* We are only interested in the volumes to load */
> if (!test_bit(vol_id, ubi->toload))
> return 0;
>
> lnum = be32_to_cpu(vh->lnum);
> -
> - return ubi_add_peb_to_vol(ubi, vh, vol_id, vh->vol_type, pnum, lnum);
> + return ubi_add_peb_to_vol(ubi, vh, vol_id, pnum, lnum);
> }
>
> static int assign_aeb_to_av(struct ubi_scan_info *ubi, u32 pnum, u32 lnum,
Best regards,
Marek Vasut
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