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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-27 18:44:11 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-27 18:44:11 +0400 |
| commit | a44dca1717ce2c2381339e21c07d1731a63a7888 (patch) | |
| tree | 3d0b3bd26492f9fa1f1f1c1ad838315b266da7c1 /drivers/hid/hidraw.c | |
| parent | 30ebc5e44d057a1619ad63fe32c8c1670c37c4b8 (diff) | |
| parent | a49f0d1ea3ec94fc7cf33a7c36a16343b74bd565 (diff) | |
| download | linux-a44dca1717ce2c2381339e21c07d1731a63a7888.tar.xz | |
Merge tag 'v3.8-rc1' into staging/for_v3.9
Linux 3.8-rc1
* tag 'v3.8-rc1': (10696 commits)
Linux 3.8-rc1
Revert "nfsd: warn on odd reply state in nfsd_vfs_read"
ARM: dts: fix duplicated build target and alphabetical sort out for exynos
dm stripe: add WRITE SAME support
dm: remove map_info
dm snapshot: do not use map_context
dm thin: dont use map_context
dm raid1: dont use map_context
dm flakey: dont use map_context
dm raid1: rename read_record to bio_record
dm: move target request nr to dm_target_io
dm snapshot: use per_bio_data
dm verity: use per_bio_data
dm raid1: use per_bio_data
dm: introduce per_bio_data
dm kcopyd: add WRITE SAME support to dm_kcopyd_zero
dm linear: add WRITE SAME support
dm: add WRITE SAME support
dm: prepare to support WRITE SAME
dm ioctl: use kmalloc if possible
...
Conflicts:
MAINTAINERS
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 7c47fc3f7b2b..413a73187d33 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -57,10 +57,6 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, set_current_state(TASK_INTERRUPTIBLE); while (list->head == list->tail) { - if (file->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - break; - } if (signal_pending(current)) { ret = -ERESTARTSYS; break; @@ -69,6 +65,10 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, ret = -EIO; break; } + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } /* allow O_NONBLOCK to work well from other threads */ mutex_unlock(&list->read_mutex); @@ -295,6 +295,13 @@ out: } +static int hidraw_fasync(int fd, struct file *file, int on) +{ + struct hidraw_list *list = file->private_data; + + return fasync_helper(fd, file, on, &list->fasync); +} + static int hidraw_release(struct inode * inode, struct file * file) { unsigned int minor = iminor(inode); @@ -438,6 +445,7 @@ static const struct file_operations hidraw_ops = { .open = hidraw_open, .release = hidraw_release, .unlocked_ioctl = hidraw_ioctl, + .fasync = hidraw_fasync, #ifdef CONFIG_COMPAT .compat_ioctl = hidraw_ioctl, #endif |