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author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-12-15 11:05:43 +0100 |
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committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-12-15 11:05:43 +0100 |
commit | ae75a0431f822273ce5d3a574863c67503db5775 (patch) | |
tree | 1361bf5e24d1d38f993c08583f42eda4fb28b42e /drivers/net/tun.c | |
parent | 91def3cce986238db7c06af083b8e9e30372a895 (diff) | |
parent | 5fbd41d3bf123af6a135bdea564087ec0f563eb0 (diff) | |
download | linux-ae75a0431f822273ce5d3a574863c67503db5775.tar.bz2 |
Merge drm/drm-next into drm-misc-next
Required backmerge since we will be based on top of v5.11, and there
has been a request to backmerge already to upstream some features.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r-- | drivers/net/tun.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index be69d272052f..cd06cae76035 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1961,12 +1961,15 @@ static ssize_t tun_chr_write_iter(struct kiocb *iocb, struct iov_iter *from) struct tun_file *tfile = file->private_data; struct tun_struct *tun = tun_get(tfile); ssize_t result; + int noblock = 0; if (!tun) return -EBADFD; - result = tun_get_user(tun, tfile, NULL, from, - file->f_flags & O_NONBLOCK, false); + if ((file->f_flags & O_NONBLOCK) || (iocb->ki_flags & IOCB_NOWAIT)) + noblock = 1; + + result = tun_get_user(tun, tfile, NULL, from, noblock, false); tun_put(tun); return result; @@ -2185,10 +2188,15 @@ static ssize_t tun_chr_read_iter(struct kiocb *iocb, struct iov_iter *to) struct tun_file *tfile = file->private_data; struct tun_struct *tun = tun_get(tfile); ssize_t len = iov_iter_count(to), ret; + int noblock = 0; if (!tun) return -EBADFD; - ret = tun_do_read(tun, tfile, to, file->f_flags & O_NONBLOCK, NULL); + + if ((file->f_flags & O_NONBLOCK) || (iocb->ki_flags & IOCB_NOWAIT)) + noblock = 1; + + ret = tun_do_read(tun, tfile, to, noblock, NULL); ret = min_t(ssize_t, ret, len); if (ret > 0) iocb->ki_pos = ret; |