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| author | Stephen Boyd <sboyd@kernel.org> | 2022-03-15 14:06:06 -0700 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2022-03-15 14:06:06 -0700 |
| commit | 99105cc81885e1278c927cdff15a3fdef5c29289 (patch) | |
| tree | c48ea12335dc9006df715a05433f3f19a3570ff7 /kernel/bpf/stackmap.c | |
| parent | ed06099c5d0b329082cc19c58eace0b20bf7fe70 (diff) | |
| parent | 754e0b0e35608ed5206d6a67a791563c631cec07 (diff) | |
| download | linux-99105cc81885e1278c927cdff15a3fdef5c29289.tar.bz2 | |
Merge tag 'v5.17-rc4' into clk-ti
We want to get commit 31aa7056bbec ("ARM: dts: Don't use legacy clock
defines for dra7 clkctrl") so merge in the nearest rc.
Diffstat (limited to 'kernel/bpf/stackmap.c')
| -rw-r--r-- | kernel/bpf/stackmap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index 49e567209c6b..22c8ae94e4c1 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -472,13 +472,14 @@ BPF_CALL_4(bpf_get_task_stack, struct task_struct *, task, void *, buf, u32, size, u64, flags) { struct pt_regs *regs; - long res; + long res = -EINVAL; if (!try_get_task_stack(task)) return -EFAULT; regs = task_pt_regs(task); - res = __bpf_get_stack(regs, task, NULL, buf, size, flags); + if (regs) + res = __bpf_get_stack(regs, task, NULL, buf, size, flags); put_task_stack(task); return res; |