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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-10 13:41:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-10 13:41:16 -0800 |
| commit | ac61145a725ab0411c5f8ed9aeca6202076ecfd8 (patch) | |
| tree | 2a6b2ee0627af9527be673000dd6dbb13df92a76 | |
| parent | 213356fe986faff3580f2c12c14773f53da32768 (diff) | |
| parent | 9e635c2851df6caee651e589fbf937b637973c91 (diff) | |
| download | linux-ac61145a725ab0411c5f8ed9aeca6202076ecfd8.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fix from Jiri Kosina:
"A regression fix for EPOLLOUT handling in hidraw and uhid"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: hidraw, uhid: Always report EPOLLOUT
| -rw-r--r-- | drivers/hid/hidraw.c | 7 | ||||
| -rw-r--r-- | drivers/hid/uhid.c | 5 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index f61f2123a755..7a75aff78388 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -249,13 +249,14 @@ out: static __poll_t hidraw_poll(struct file *file, poll_table *wait) { struct hidraw_list *list = file->private_data; + __poll_t mask = EPOLLOUT | EPOLLWRNORM; /* hidraw is always writable */ poll_wait(file, &list->hidraw->wait, wait); if (list->head != list->tail) - return EPOLLIN | EPOLLRDNORM; + mask |= EPOLLIN | EPOLLRDNORM; if (!list->hidraw->exist) - return EPOLLERR | EPOLLHUP; - return EPOLLOUT | EPOLLWRNORM; + mask |= EPOLLERR | EPOLLHUP; + return mask; } static int hidraw_open(struct inode *inode, struct file *file) diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 935c3d0a3b63..8fe3efcb8327 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -766,13 +766,14 @@ unlock: static __poll_t uhid_char_poll(struct file *file, poll_table *wait) { struct uhid_device *uhid = file->private_data; + __poll_t mask = EPOLLOUT | EPOLLWRNORM; /* uhid is always writable */ poll_wait(file, &uhid->waitq, wait); if (uhid->head != uhid->tail) - return EPOLLIN | EPOLLRDNORM; + mask |= EPOLLIN | EPOLLRDNORM; - return EPOLLOUT | EPOLLWRNORM; + return mask; } static const struct file_operations uhid_fops = { |