diff options
| -rw-r--r-- | fs/proc/kmsg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c index 9cfb5d6d3c5e..211b1fe2a825 100644 --- a/fs/proc/kmsg.c +++ b/fs/proc/kmsg.c @@ -33,6 +33,8 @@ static int kmsg_release(struct inode * inode, struct file * file) static ssize_t kmsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { + if ((file->f_flags & O_NONBLOCK) && !do_syslog(9, 0, 0)) + return -EAGAIN; return do_syslog(2, buf, count); } |