Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=04ebd4...
Commit: 04ebd4aee52b06a2c38127d9208546e5b96f3a19
Parent: d805dda412346225a50af2d399d958a4bc676c38
Author: Abdel Benamrouche <draconux@gmail.com>
AuthorDate: Fri Jul 25 01:48:26 2008 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Fri Jul 25 10:53:44 2008 -0700
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>
---
block/ioctl.c | 5 +++--
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);
--
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