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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-13 21:16:56 -0700 |
| commit | fc8e1ead9314cf0e0f1922e661428b93d3a50d88 (patch) | |
| tree | f3cb97c4769b74f6627a59769f1ed5c92a13c58a /fs/udf/lowlevel.c | |
| parent | 2bcaa6a4238094c5695d5b1943078388d82d3004 (diff) | |
| parent | 9de48cc300fb10f7d9faa978670becf5e352462a (diff) | |
| download | kernel-crypto-fc8e1ead9314cf0e0f1922e661428b93d3a50d88.tar.gz kernel-crypto-fc8e1ead9314cf0e0f1922e661428b93d3a50d88.tar.xz kernel-crypto-fc8e1ead9314cf0e0f1922e661428b93d3a50d88.zip | |
Merge branch 'next' into for-linus
Diffstat (limited to 'fs/udf/lowlevel.c')
| -rw-r--r-- | fs/udf/lowlevel.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c index 703843f30ff..1b88fd5df05 100644 --- a/fs/udf/lowlevel.c +++ b/fs/udf/lowlevel.c @@ -56,7 +56,12 @@ unsigned long udf_get_last_block(struct super_block *sb) struct block_device *bdev = sb->s_bdev; unsigned long lblock = 0; - if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock)) + /* + * ioctl failed or returned obviously bogus value? + * Try using the device size... + */ + if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) || + lblock == 0) lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; if (lblock) |