diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2020-10-15 20:37:01 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2020-10-15 20:37:01 +0200 |
| commit | 62b31a045757eac81fed94b19df47418a0818528 (patch) | |
| tree | 285fda56df8304dff6ba929bad65ddfb4e4fd726 /drivers/hid/hid-debug.c | |
| parent | cc51d171776f3a6acb6828bad0b780a4cacf5423 (diff) | |
| parent | c27e08820bc6cb7d483a8d87589bdbbbf10f2306 (diff) | |
Merge branch 'for-5.10/core' into for-linus
- nonblocking read semantics fix for hid-debug
Diffstat (limited to 'drivers/hid/hid-debug.c')
| -rw-r--r-- | drivers/hid/hid-debug.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 9453147d020d..d7eaf9100370 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -1101,11 +1101,6 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, set_current_state(TASK_INTERRUPTIBLE); while (kfifo_is_empty(&list->hid_debug_fifo)) { - if (file->f_flags & O_NONBLOCK) { - ret = -EAGAIN; - break; - } - if (signal_pending(current)) { ret = -ERESTARTSYS; break; @@ -1122,6 +1117,11 @@ static ssize_t hid_debug_events_read(struct file *file, char __user *buffer, goto out; } + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } + /* allow O_NONBLOCK from other threads */ mutex_unlock(&list->read_mutex); schedule(); |
