diff options
| -rw-r--r-- | fs/fcntl.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index 1523588fd759..5d596a00f40b 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -723,7 +723,7 @@ static inline int sigio_perm(struct task_struct *p, static void send_sigio_to_task(struct task_struct *p, struct fown_struct *fown, - int fd, int reason, int group) + int fd, int reason, enum pid_type type) { /* * F_SETSIG can change ->signum lockless in parallel, make @@ -767,11 +767,11 @@ static void send_sigio_to_task(struct task_struct *p, else si.si_band = mangle_poll(band_table[reason - POLL_IN]); si.si_fd = fd; - if (!do_send_sig_info(signum, &si, p, group)) + if (!do_send_sig_info(signum, &si, p, type != PIDTYPE_PID)) break; /* fall-through: fall back on the old plain SIGIO signal */ case 0: - do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, group); + do_send_sig_info(SIGIO, SEND_SIG_PRIV, p, type != PIDTYPE_PID); } } @@ -780,14 +780,10 @@ void send_sigio(struct fown_struct *fown, int fd, int band) struct task_struct *p; enum pid_type type; struct pid *pid; - int group = 1; read_lock(&fown->lock); type = fown->pid_type; - if (type == PIDTYPE_PID) - group = 0; - pid = fown->pid; if (!pid) goto out_unlock_fown; @@ -795,12 +791,12 @@ void send_sigio(struct fown_struct *fown, int fd, int band) if (type <= PIDTYPE_TGID) { rcu_read_lock(); p = pid_task(pid, PIDTYPE_PID); - send_sigio_to_task(p, fown, fd, band, group); + send_sigio_to_task(p, fown, fd, band, type); rcu_read_unlock(); } else { read_lock(&tasklist_lock); do_each_pid_task(pid, type, p) { - send_sigio_to_task(p, fown, fd, band, group); + send_sigio_to_task(p, fown, fd, band, type); } while_each_pid_task(pid, type, p); read_unlock(&tasklist_lock); } @@ -809,10 +805,10 @@ void send_sigio(struct fown_struct *fown, int fd, int band) } static void send_sigurg_to_task(struct task_struct *p, - struct fown_struct *fown, int group) + struct fown_struct *fown, enum pid_type type) { if (sigio_perm(p, fown, SIGURG)) - do_send_sig_info(SIGURG, SEND_SIG_PRIV, p, group); + do_send_sig_info(SIGURG, SEND_SIG_PRIV, p, type != PIDTYPE_PID); } int send_sigurg(struct fown_struct *fown) @@ -820,15 +816,11 @@ int send_sigurg(struct fown_struct *fown) struct task_struct *p; enum pid_type type; struct pid *pid; - int group = 1; int ret = 0; read_lock(&fown->lock); type = fown->pid_type; - if (type == PIDTYPE_PID) - group = 0; - pid = fown->pid; if (!pid) goto out_unlock_fown; @@ -838,12 +830,12 @@ int send_sigurg(struct fown_struct *fown) if (type <= PIDTYPE_TGID) { rcu_read_lock(); p = pid_task(pid, PIDTYPE_PID); - send_sigurg_to_task(p, fown, group); + send_sigurg_to_task(p, fown, type); rcu_read_unlock(); } else { read_lock(&tasklist_lock); do_each_pid_task(pid, type, p) { - send_sigurg_to_task(p, fown, group); + send_sigurg_to_task(p, fown, type); } while_each_pid_task(pid, type, p); read_unlock(&tasklist_lock); } |