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netifd: add missing error checks to packet steering script

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2024-04-15 12:32:35 +02:00
parent a9e22ffa50
commit 123282d9f9
1 changed files with 6 additions and 1 deletions
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7
package/network/config/netifd/files/usr/libexec/network/packet-steering.uc
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@ -27,6 +27,8 @@ for (let arg in ARGV) {
function task_name(pid) function task_name(pid)
{ {
let stat = open(`/proc/${pid}/status`, "r"); let stat = open(`/proc/${pid}/status`, "r");
if (!stat)
return;
let line = stat.read("line"); let line = stat.read("line");
stat.close(); stat.close();
return trim(split(line, "\t", 2)[1]); return trim(split(line, "\t", 2)[1]);
@ -35,8 +37,11 @@ function task_name(pid)
function set_task_cpu(pid, cpu) { function set_task_cpu(pid, cpu) {
if (disable) if (disable)
cpu = join(",", map(cpus, (cpu) => cpu.id)); cpu = join(",", map(cpus, (cpu) => cpu.id));
let name = task_name(pid);
if (!name)
return;
if (debug || do_nothing) if (debug || do_nothing)
warn(`taskset -p -c ${cpu} ${task_name(pid)}\n`); warn(`taskset -p -c ${cpu} ${name}\n`);
if (!do_nothing) if (!do_nothing)
system(`taskset -p -c ${cpu} ${pid}`); system(`taskset -p -c ${cpu} ${pid}`);
} }