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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-23 10:52:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-23 10:52:43 -0800 |
| commit | a307d0a0074c18bcbea5dec368c9f047be9dade3 (patch) | |
| tree | a55e2ebfe213a45f58ec492aadd0c32457015638 /fs/seq_file.c | |
| parent | fc26901b12f1deedc351bbe9fd9a018d61485c57 (diff) | |
| parent | faf0dcebd7b387187f29ff811d47df465ea4c9f9 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull final vfs updates from Al Viro:
"Assorted cleanups and fixes all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
ufs: fix function declaration for ufs_truncate_blocks
fs: exec: apply CLOEXEC before changing dumpable task flags
seq_file: reset iterator to first record for zero offset
vfs: fix isize/pos/len checks for reflink & dedupe
[iov_iter] fix iterate_all_kinds() on empty iterators
move aio compat to fs/aio.c
reorganize do_make_slave()
clone_private_mount() doesn't need to touch namespace_sem
remove a bogus claim about namespace_sem being held by callers of mnt_alloc_id()
Diffstat (limited to 'fs/seq_file.c')
| -rw-r--r-- | fs/seq_file.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c index 368bfb92b115..a11f271800ef 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -190,6 +190,13 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) */ m->version = file->f_version; + /* + * if request is to read from zero offset, reset iterator to first + * record as it might have been already advanced by previous requests + */ + if (*ppos == 0) + m->index = 0; + /* Don't assume *ppos is where we left it */ if (unlikely(*ppos != m->read_pos)) { while ((err = traverse(m, *ppos)) == -EAGAIN) |