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authorMichael Ellerman <mpe@ellerman.id.au>2020-02-01 21:47:17 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2020-02-01 21:47:17 +1100
commit4c25df5640ae6e4491ee2c50d3f70c1559ef037d (patch)
tree9d68b0361918926d7d7b6d78090dcfb942ec4e72 /drivers/hid/hidraw.c
parent34b5a946a9543ce38d8ad1aacc4362533a813db7 (diff)
parent3d7dfd632f9b60cfce069b4da517e6b1a1c3f613 (diff)
Merge branch 'topic/user-access-begin' into next
Merge the user_access_begin() series from Christophe. This is based on a commit from Linus that went into v5.5-rc7.
Diffstat (limited to 'drivers/hid/hidraw.c')
-rw-r--r--drivers/hid/hidraw.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index c3fc0ceb8096..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 | EPOLLOUT;
+ mask |= EPOLLIN | EPOLLRDNORM;
if (!list->hidraw->exist)
- return EPOLLERR | EPOLLHUP;
- return 0;
+ mask |= EPOLLERR | EPOLLHUP;
+ return mask;
}
static int hidraw_open(struct inode *inode, struct file *file)