diff options
Diffstat (limited to 'drivers/lguest')
-rw-r--r-- | drivers/lguest/lguest_user.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 85d42d3d01a9..2221485b0773 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c | |||
@@ -241,15 +241,16 @@ static ssize_t write(struct file *file, const char __user *in, | |||
241 | cpu = &lg->cpus[cpu_id]; | 241 | cpu = &lg->cpus[cpu_id]; |
242 | if (!cpu) | 242 | if (!cpu) |
243 | return -EINVAL; | 243 | return -EINVAL; |
244 | } | ||
245 | 244 | ||
246 | /* Once the Guest is dead, all you can do is read() why it died. */ | 245 | /* Once the Guest is dead, you can only read() why it died. */ |
247 | if (lg && lg->dead) | 246 | if (lg->dead) |
248 | return -ENOENT; | 247 | return -ENOENT; |
249 | 248 | ||
250 | /* If you're not the task which owns the Guest, you can only break */ | 249 | /* If you're not the task which owns the Guest, all you can do |
251 | if (lg && current != cpu->tsk && req != LHREQ_BREAK) | 250 | * is break the Launcher out of running the Guest. */ |
252 | return -EPERM; | 251 | if (current != cpu->tsk && req != LHREQ_BREAK) |
252 | return -EPERM; | ||
253 | } | ||
253 | 254 | ||
254 | switch (req) { | 255 | switch (req) { |
255 | case LHREQ_INITIALIZE: | 256 | case LHREQ_INITIALIZE: |