diff options
Diffstat (limited to 'drivers/platform/goldfish/goldfish_pipe.c')
| -rw-r--r-- | drivers/platform/goldfish/goldfish_pipe.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c index 07462d79d040..2b21033f11f0 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -308,9 +308,8 @@ static ssize_t goldfish_pipe_read_write(struct file *filp, char __user *buffer, * returns a small amount, then there's no need to pin that * much memory to the process. */ - down_read(¤t->mm->mmap_sem); - ret = get_user_pages(address, 1, !is_write, 0, &page, NULL); - up_read(¤t->mm->mmap_sem); + ret = get_user_pages_unlocked(address, 1, &page, + is_write ? 0 : FOLL_WRITE); if (ret < 0) break; |
