diff options
| author |   Paolo Abeni <pabeni@redhat.com> | 2022-04-22 09:56:00 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-04-22 09:56:00 +0200 |
| commit | f70925bf99406150d8133e775e49c9c459f78733 (patch) | |
| tree | 392dd3854bf229c0c94b481819e4a67551ba6895 /net/can/isotp.c | |
| parent | net: eql: Use kzalloc instead of kmalloc/memset (diff) | |
| parent | Merge tag 'net-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | wireguard-linux-f70925bf99406150d8133e775e49c9c459f78733.tar.xz wireguard-linux-f70925bf99406150d8133e775e49c9c459f78733.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/microchip/lan966x/lan966x_main.c
d08ed852560e ("net: lan966x: Make sure to release ptp interrupt")
c8349639324a ("net: lan966x: Add FDMA functionality")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/can/isotp.c')
| -rw-r--r-- | net/can/isotp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/can/isotp.c b/net/can/isotp.c index 02d81effaa54..11a65a9d3906 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -906,6 +906,7 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) struct canfd_frame *cf; int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0; int wait_tx_done = (so->opt.flags & CAN_ISOTP_WAIT_TX_DONE) ? 1 : 0; + s64 hrtimer_sec = 0; int off; int err; @@ -1004,7 +1005,9 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) isotp_create_fframe(cf, so, ae); /* start timeout for FC */ - hrtimer_start(&so->txtimer, ktime_set(1, 0), HRTIMER_MODE_REL_SOFT); + hrtimer_sec = 1; + hrtimer_start(&so->txtimer, ktime_set(hrtimer_sec, 0), + HRTIMER_MODE_REL_SOFT); } /* send the first or only CAN frame */ @@ -1017,6 +1020,11 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) if (err) { pr_notice_once("can-isotp: %s: can_send_ret %pe\n", __func__, ERR_PTR(err)); + + /* no transmission -> no timeout monitoring */ + if (hrtimer_sec) + hrtimer_cancel(&so->txtimer); + goto err_out_drop; } |