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| author | Abdel Benamrouche <draconux@gmail.com> | 2008-07-25 08:48:26 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 17:53:44 (GMT) |
| commit | 04ebd4aee52b06a2c38127d9208546e5b96f3a19 (patch) | |
| tree | 25014f06e7bf53ec0b51d717a6a8d0cfb545d985 | |
| parent | d805dda412346225a50af2d399d958a4bc676c38 (diff) | |
| download | linux-04ebd4aee52b06a2c38127d9208546e5b96f3a19.tar.xz | |
block/ioctl.c and fs/partition/check.c: check value returned by add_partition()
Now that add_partition() has been aught to propagate errors, let's check them.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Abdel Benamrouche <draconux@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | block/ioctl.c | 5 | ||||
| -rw-r--r-- | fs/partitions/check.c | 10 |
2 files changed, 11 insertions, 4 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index 52d6385..77185e5 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -17,6 +17,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user long long start, length; int part; int i; + int err; if (!capable(CAP_SYS_ADMIN)) return -EACCES; @@ -61,9 +62,9 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user } } /* all seems OK */ - add_partition(disk, part, start, length, ADDPART_FLAG_NONE); + err = add_partition(disk, part, start, length, ADDPART_FLAG_NONE); mutex_unlock(&bdev->bd_mutex); - return 0; + return err; case BLKPG_DEL_PARTITION: if (!disk->part[part-1]) return -ENXIO; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 2e6413f..7d6b34e 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -499,10 +499,16 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) if (!size) continue; if (from + size > get_capacity(disk)) { - printk(" %s: p%d exceeds device capacity\n", + printk(KERN_ERR " %s: p%d exceeds device capacity\n", disk->disk_name, p); + continue; + } + res = add_partition(disk, p, from, size, state->parts[p].flags); + if (res) { + printk(KERN_ERR " %s: p%d could not be added: %d\n", + disk->disk_name, p, -res); + continue; } - add_partition(disk, p, from, size, state->parts[p].flags); #ifdef CONFIG_BLK_DEV_MD if (state->parts[p].flags & ADDPART_FLAG_RAID) md_autodetect_dev(bdev->bd_dev+p); |