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OpenCloudOS-Kernel
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Merge branch 'for-5.4/hidraw-hiddev-epoll' into for-linus 

- proper propagation of EPOLLOUT from hiddev and hidraw, from
  Fabian Henneke

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2019-09-22 22:32:23 +02:00
parent ad049d525a c801aff1a5
commit 98656d503d
2 changed files with 2 additions and 2 deletions
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2
drivers/hid/hidraw.c
View File

@ -252,7 +252,7 @@ static __poll_t hidraw_poll(struct file *file, poll_table *wait)
poll_wait(file, &list->hidraw->wait, wait);
if (list->head != list->tail)
return EPOLLIN | EPOLLRDNORM;
return EPOLLIN | EPOLLRDNORM | EPOLLOUT;
if (!list->hidraw->exist)
return EPOLLERR | EPOLLHUP;
return 0;

2
drivers/hid/usbhid/hiddev.c
View File

@ -428,7 +428,7 @@ static __poll_t hiddev_poll(struct file *file, poll_table *wait)
poll_wait(file, &list->hiddev->wait, wait);
if (list->head != list->tail)
return EPOLLIN | EPOLLRDNORM;
return EPOLLIN | EPOLLRDNORM | EPOLLOUT;
if (!list->hiddev->exist)
return EPOLLERR | EPOLLHUP;
return 0;