| Message ID | 1549892593-10619-1-git-send-email-stanley.chu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v1] fcntl: Remove logically dead code | expand |
diff --git a/fs/fcntl.c b/fs/fcntl.c index 083185174c6d..11ec59bf421c 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -762,10 +762,7 @@ static void send_sigio_to_task(struct task_struct *p, reasons, otherwise we could leak kernel stack into userspace. */ BUG_ON((reason < POLL_IN) || ((reason - POLL_IN) >= NSIGPOLL)); - if (reason - POLL_IN >= NSIGPOLL) - si.si_band = ~0L; - else - si.si_band = mangle_poll(band_table[reason - POLL_IN]); + si.si_band = mangle_poll(band_table[reason - POLL_IN]); si.si_fd = fd; if (!do_send_sig_info(signum, &si, p, type)) break;
The commit d08477aa975e ("fcntl: Don't use ambiguous SIG_POLL si_codes") added BUG_ON for below case, (reason - POLL_IN) >= NSIGPOLL Thus some statements become logically dead code and can be removed. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> --- fs/fcntl.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)