From 9dd957485d7d896ec18d8e2f9dd410efe71eca34 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 3 Jul 2017 00:42:43 -0400 Subject: ipc, kernel, mm: annotate ->poll() instances Signed-off-by: Al Viro --- kernel/events/core.c | 4 ++-- kernel/printk/printk.c | 4 ++-- kernel/relay.c | 4 ++-- kernel/time/posix-clock.c | 4 ++-- kernel/trace/trace.c | 6 +++--- 5 files changed, 11 insertions(+), 11 deletions(-) (limited to 'kernel') diff --git a/kernel/events/core.c b/kernel/events/core.c index 16beab4767e1..857c40d98d2c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4511,11 +4511,11 @@ perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) return ret; } -static unsigned int perf_poll(struct file *file, poll_table *wait) +static __poll_t perf_poll(struct file *file, poll_table *wait) { struct perf_event *event = file->private_data; struct ring_buffer *rb; - unsigned int events = POLLHUP; + __poll_t events = POLLHUP; poll_wait(file, &event->waitq, wait); diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 5d81206a572d..8aa27be96012 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -920,10 +920,10 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) return ret; } -static unsigned int devkmsg_poll(struct file *file, poll_table *wait) +static __poll_t devkmsg_poll(struct file *file, poll_table *wait) { struct devkmsg_user *user = file->private_data; - int ret = 0; + __poll_t ret = 0; if (!user) return POLLERR|POLLNVAL; diff --git a/kernel/relay.c b/kernel/relay.c index 39a9dfc69486..41280033a4c5 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -919,9 +919,9 @@ static int relay_file_mmap(struct file *filp, struct vm_area_struct *vma) * * Poll implemention. */ -static unsigned int relay_file_poll(struct file *filp, poll_table *wait) +static __poll_t relay_file_poll(struct file *filp, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct rchan_buf *buf = filp->private_data; if (buf->finalized) diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index 17cdc554c9fe..36b04e7fcf62 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -68,10 +68,10 @@ static ssize_t posix_clock_read(struct file *fp, char __user *buf, return err; } -static unsigned int posix_clock_poll(struct file *fp, poll_table *wait) +static __poll_t posix_clock_poll(struct file *fp, poll_table *wait) { struct posix_clock *clk = get_posix_clock(fp); - unsigned int result = 0; + __poll_t result = 0; if (!clk) return POLLERR; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 73e67b68c53b..1e2a45e87b93 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5632,7 +5632,7 @@ static int tracing_release_pipe(struct inode *inode, struct file *file) return 0; } -static unsigned int +static __poll_t trace_poll(struct trace_iterator *iter, struct file *filp, poll_table *poll_table) { struct trace_array *tr = iter->tr; @@ -5651,7 +5651,7 @@ trace_poll(struct trace_iterator *iter, struct file *filp, poll_table *poll_tabl filp, poll_table); } -static unsigned int +static __poll_t tracing_poll_pipe(struct file *filp, poll_table *poll_table) { struct trace_iterator *iter = filp->private_data; @@ -6605,7 +6605,7 @@ static int tracing_buffers_open(struct inode *inode, struct file *filp) return ret; } -static unsigned int +static __poll_t tracing_buffers_poll(struct file *filp, poll_table *poll_table) { struct ftrace_buffer_info *info = filp->private_data; -- cgit From ecf927000ce3265e9871c79d43c10ceed8bd61c9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 16 Jul 2017 22:11:54 -0400 Subject: ring_buffer_poll_wait() return value used as return value of ->poll() Signed-off-by: Al Viro --- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel') diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 91874a95060d..d24d48713ef3 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -626,7 +626,7 @@ int ring_buffer_wait(struct ring_buffer *buffer, int cpu, bool full) * Returns POLLIN | POLLRDNORM if data exists in the buffers, * zero otherwise. */ -int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, +__poll_t ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, struct file *filp, poll_table *poll_table) { struct ring_buffer_per_cpu *cpu_buffer; -- cgit