diff options
| author |   Christoph Hellwig <hch@lst.de> | 2020-09-03 07:40:57 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-25 08:18:57 -0600 |
| commit | fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf (patch) | |
| tree | f627199fb47da3dc4fa57dcbf305fff12997a918 /drivers/ide | |
| parent | Documentation/hdio: fix up obscure bd_contains references (diff) | |
| download | wireguard-linux-fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf.tar.xz wireguard-linux-fa01b1e9733fd59ecb8b5b6d85dfb481d2025fbf.zip | |
block: add a bdev_is_partition helper
Add a littler helper to make the somewhat arcane bd_contains checks a
little more obvious.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-ioctls.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index 09491098047b..58994da10c06 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -49,7 +49,7 @@ read_val: return err >= 0 ? put_user_long(err, arg) : err; set_val: - if (bdev != bdev->bd_contains) + if (bdev_is_partition(bdev)) err = -EINVAL; else { if (!capable(CAP_SYS_ADMIN)) @@ -257,7 +257,7 @@ int generic_ide_ioctl(ide_drive_t *drive, struct block_device *bdev, switch (cmd) { case HDIO_OBSOLETE_IDENTITY: case HDIO_GET_IDENTITY: - if (bdev != bdev->bd_contains) + if (bdev_is_partition(bdev)) return -EINVAL; return ide_get_identity_ioctl(drive, cmd, argp); case HDIO_GET_NICE: |