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| author | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
| commit | 4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch) | |
| tree | 44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/s390/block/dasd_ioctl.c | |
| parent | d14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff) | |
| parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
| download | linux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/s390/block/dasd_ioctl.c')
| -rw-r--r-- | drivers/s390/block/dasd_ioctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index 7039d9c..3479f81 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -199,7 +199,8 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp) if (!argp) return -EINVAL; - if (block->base->features & DASD_FEATURE_READONLY) + if (block->base->features & DASD_FEATURE_READONLY || + test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags)) return -EROFS; if (copy_from_user(&fdata, argp, sizeof(struct format_data_t))) return -EFAULT; @@ -349,7 +350,8 @@ dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp) return -EINVAL; if (get_user(intval, (int __user *)argp)) return -EFAULT; - + if (!intval && test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags)) + return -EROFS; set_disk_ro(bdev->bd_disk, intval); return dasd_set_feature(block->base->cdev, DASD_FEATURE_READONLY, intval); } |