diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 8c61f67453e3..516eb51af70e 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -544,11 +544,12 @@ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t return warn_unsupported(file, "write"); init_sync_kiocb(&kiocb, file); - kiocb.ki_pos = *pos; + kiocb.ki_pos = pos ? *pos : 0; iov_iter_kvec(&iter, WRITE, &iov, 1, iov.iov_len); ret = file->f_op->write_iter(&kiocb, &iter); if (ret > 0) { - *pos = kiocb.ki_pos; + if (pos) + *pos = kiocb.ki_pos; fsnotify_modify(file); add_wchar(current, ret); } |