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| author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 10:21:55 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 10:21:55 +0100 |
| commit | edd1533d3ccd82dd5d600986d27d524e6be4c5fd (patch) | |
| tree | 1ac5ae82ea63114d5c13212e2819531e4507f800 /net/core/sysctl_net_core.c | |
| parent | 7d8fe4cfc54b5fb2093e12cffa8ca74d3c88e0fa (diff) | |
| parent | 98d67f250472cdd0f8d083830be3ec9dbb0c65a8 (diff) | |
Merge branch 'for-6.1/logitech' into for-linus
- Add hanlding of all Bluetooth HID++ devices and fixes in hid++
(Bastien Nocera)
Diffstat (limited to 'net/core/sysctl_net_core.c')
| -rw-r--r-- | net/core/sysctl_net_core.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 71a13596ea2bf..725891527814c 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -234,14 +234,17 @@ static int set_default_qdisc(struct ctl_table *table, int write, static int proc_do_dev_weight(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos) { - int ret; + static DEFINE_MUTEX(dev_weight_mutex); + int ret, weight; + mutex_lock(&dev_weight_mutex); ret = proc_dointvec(table, write, buffer, lenp, ppos); - if (ret != 0) - return ret; - - dev_rx_weight = weight_p * dev_weight_rx_bias; - dev_tx_weight = weight_p * dev_weight_tx_bias; + if (!ret && write) { + weight = READ_ONCE(weight_p); + WRITE_ONCE(dev_rx_weight, weight * dev_weight_rx_bias); + WRITE_ONCE(dev_tx_weight, weight * dev_weight_tx_bias); + } + mutex_unlock(&dev_weight_mutex); return ret; } |