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| author | Jan Kara <jack@suse.cz> | 2008-02-14 00:03:33 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-14 01:21:20 +0100 |
| commit | e28d80f18211e5d49e450ba0f07b8fdca6dfb83b (patch) | |
| tree | 9aa3d12294fd44c156c8255c92c4fa390d7f5025 /fs/udf/dir.c | |
| parent | Documentation: sysctl/kernel.txt: fix documentation reference (diff) | |
| download | linux-e28d80f18211e5d49e450ba0f07b8fdca6dfb83b.tar.xz linux-e28d80f18211e5d49e450ba0f07b8fdca6dfb83b.zip | |
udf: fix directory offset handling
Patch cleaning up UDF directory offset handling missed modifications in dir.c
(because I've submitted an old version :(). Fix it.
Signed-off-by: Jan Kara <jack@suse.cz>
Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/dir.c')
| -rw-r--r-- | fs/udf/dir.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 4b44e23caa12..8d8643ada199 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -43,13 +43,13 @@ static int do_udf_readdir(struct inode *dir, struct file *filp, struct fileIdentDesc *fi = NULL; struct fileIdentDesc cfi; int block, iblock; - loff_t nf_pos = filp->f_pos - 1; + loff_t nf_pos = (filp->f_pos - 1) << 2; int flen; char fname[UDF_NAME_LEN]; char *nameptr; uint16_t liu; uint8_t lfi; - loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; + loff_t size = udf_ext0_offset(dir) + dir->i_size; struct buffer_head *tmp, *bha[16]; kernel_lb_addr eloc; uint32_t elen; @@ -63,13 +63,13 @@ static int do_udf_readdir(struct inode *dir, struct file *filp, return 0; if (nf_pos == 0) - nf_pos = (udf_ext0_offset(dir) >> 2); + nf_pos = udf_ext0_offset(dir); - fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; + fibh.soffset = fibh.eoffset = nf_pos & (dir->i_sb->s_blocksize - 1); iinfo = UDF_I(dir); if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { fibh.sbh = fibh.ebh = NULL; - } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), + } else if (inode_bmap(dir, nf_pos >> dir->i_sb->s_blocksize_bits, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { @@ -111,7 +111,7 @@ static int do_udf_readdir(struct inode *dir, struct file *filp, } while (nf_pos < size) { - filp->f_pos = nf_pos + 1; + filp->f_pos = (nf_pos >> 2) + 1; fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); @@ -178,7 +178,7 @@ static int do_udf_readdir(struct inode *dir, struct file *filp, } } /* end while */ - filp->f_pos = nf_pos + 1; + filp->f_pos = (nf_pos >> 2) + 1; if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); |