diff options
author | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 05:25:27 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-28 05:25:27 +0300 |
commit | 5c39f26e67c984db0fa95f9faecf06eb0198dce7 (patch) | |
tree | 821aaa43d3f5806134438daa531be6d171292c5f /drivers/net/tun.c | |
parent | 6375da9dac8bec05a022f22ab22300cc824ec268 (diff) | |
parent | c84e1efae022071a4fcf9f1899bf71777c49943a (diff) | |
download | linux-5c39f26e67c984db0fa95f9faecf06eb0198dce7.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflict in CAN, keep the net-next + the byteswap wrapper.
Conflicts:
drivers/net/can/usb/gs_usb.c
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 7c62d82c57db..2dc1988a8973 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1921,12 +1921,15 @@ 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; @@ -2137,10 +2140,15 @@ 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; |