Messages in this thread Patch in this message | | | From | Vasily Averin <> | Subject | [PATCH v2] pstore: pstore_ftrace_seq_next should increase position index | Date | Tue, 25 Feb 2020 11:11:20 +0300 |
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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
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