From: Vasily Averin <vvs@virtuozzo.com>
To: linux-kernel@vger.kernel.org
Cc: Kees Cook <keescook@chromium.org>,
Anton Vorontsov <anton@enomsg.org>,
Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>
Subject: [PATCH v2] pstore: pstore_ftrace_seq_next should increase position index
Date: Tue, 25 Feb 2020 11:11:20 +0300 [thread overview]
Message-ID: <4e49830d-4c88-0171-ee24-1ee540028dad@virtuozzo.com> (raw)
If .next function does not change position index,
following .show function will repeat output related
to current position index.
Cc: stable@vger.kernel.org
Fixes: 1f4aace60b0e ("fs/seq_file.c: simplify seq_file iteration code ...")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
fs/pstore/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 7fbe8f0..ea8799b 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -87,11 +87,11 @@ static void *pstore_ftrace_seq_next(struct seq_file *s, void *v, loff_t *pos)
struct pstore_private *ps = s->private;
struct pstore_ftrace_seq_data *data = v;
+ (*pos)++;
data->off += REC_SIZE;
if (data->off + REC_SIZE > ps->total_size)
return NULL;
- (*pos)++;
return data;
}
--
1.8.3.1
next reply other threads:[~2020-02-25 8:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 8:11 Vasily Averin [this message]
2020-02-25 19:39 ` Kees Cook
2020-02-26 18:36 ` Joel Fernandes
2020-02-26 18:40 ` Kees Cook
-- strict thread matches above, loose matches on Subject: below --
2020-02-25 8:11 Vasily Averin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4e49830d-4c88-0171-ee24-1ee540028dad@virtuozzo.com \
--to=vvs@virtuozzo.com \
--cc=anton@enomsg.org \
--cc=ccross@android.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tony.luck@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®