From: Bartlomiej Zolnierkiewicz Date: Mon, 13 Oct 2008 19:39:36 +0000 (+0200) Subject: ide-disk: set_addressing() fixes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=35c137531245118962eb40a550661afe317bec03;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git ide-disk: set_addressing() fixes * Return -EIO if arg > 0 and LBA48 is unsupported. * No need to reset ->addressing. * Make ->addressing a single bit flag. Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 01846f244b40..65c499aab664 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -686,14 +686,13 @@ static int set_addressing(ide_drive_t *drive, int arg) if (arg < 0 || arg > 2) return -EINVAL; - drive->addressing = 0; - - if (drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) - return 0; - - if (ata_id_lba48_enabled(drive->id) == 0) + if (arg && ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48) || + ata_id_lba48_enabled(drive->id) == 0)) return -EIO; + if (arg == 2) + arg = 0; + drive->addressing = arg; return 0; diff --git a/include/linux/ide.h b/include/linux/ide.h index 02c4c642e6a5..90d53c99fe92 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -509,7 +509,7 @@ struct ide_drive_s { unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ unsigned post_reset : 1; unsigned udma33_warned : 1; - unsigned addressing : 2; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ + unsigned addressing : 1; /* 0=28-bit, 1=48-bit */ unsigned wcache : 1; /* status of write cache */ unsigned nowerr : 1; /* used for ignoring ATA_DF */