| Message ID | e5908204510326710a9628469bbcfa1595823f64.1430777196.git.ydroneaud@opteya.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/seq_file.c b/fs/seq_file.c index cb9c3dbd1a1e..69d13f62d885 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -48,6 +48,8 @@ static void *seq_buf_alloc(unsigned long size) * ERR_PTR(error). In the end of sequence they return %NULL. ->show() * returns 0 in case of success and negative number in case of error. * Returning SEQ_SKIP means "discard this element and move on". + * Note: seq_open() will allocate a struct seq_file and store its + * pointer in @file->private_data. This pointer should not be modified. */ int seq_open(struct file *file, const struct seq_operations *op) {
seq_open() stores its struct seq_file in file->private_data, thus, it must not be modified by user of seq_file. Link: http://lkml.kernel.org/r/cover.1430777196.git.ydroneaud@opteya.com Signed-off-by: Yann Droneaud <ydroneaud@opteya.com> --- fs/seq_file.c | 2 ++ 1 file changed, 2 insertions(+)