diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-06-19 12:32:13 +0200 |
| commit | bcb7416e3480c1abb46266bdab874b3b3d6124cb (patch) | |
| tree | 9d889b14957c0e266697d0674675bc42b0899571 /mm/util.c | |
| parent | 90b2df5743cd92f4525f662e8f12a536dfb58557 (diff) | |
| parent | 52d2d44eee8091e740d0d275df1311fb8373c9a9 (diff) | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh
backmerge of drm-next to pull it in.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'mm/util.c')
| -rw-r--r-- | mm/util.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c index 91682a2090ee..9834c4ab7d8e 100644 --- a/mm/util.c +++ b/mm/util.c @@ -718,12 +718,12 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen) if (!mm->arg_end) goto out_mm; /* Shh! No looking before we're done */ - down_read(&mm->mmap_sem); + spin_lock(&mm->arg_lock); arg_start = mm->arg_start; arg_end = mm->arg_end; env_start = mm->env_start; env_end = mm->env_end; - up_read(&mm->mmap_sem); + spin_unlock(&mm->arg_lock); len = arg_end - arg_start; |