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| author | Joerg Roedel <jroedel@suse.de> | 2019-06-24 10:23:16 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-06-24 10:23:16 +0200 |
| commit | ceedd5f74d8cfe34db4e654a7808e3c5de40d6f5 (patch) | |
| tree | e19c18292231202e9cd8d484ee43f46b2c9c9ad1 /mm/util.c | |
| parent | 1b961423158caaae49d3900b7c9c37477bbfa9b3 (diff) | |
| parent | 4b972a01a7da614b4796475f933094751a295a2f (diff) | |
Merge tag 'v5.2-rc6' into generic-dma-ops
Linux 5.2-rc6
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; |