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author | Borislav Petkov <bp@suse.de> | 2022-03-21 12:34:57 +0300 |
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committer | Borislav Petkov <bp@suse.de> | 2022-03-21 12:34:57 +0300 |
commit | 1422df58e5eb83dca131dc64e0f307a1f9e56078 (patch) | |
tree | f54bb7952a406cd783cbdbfe1b5ac4f80de02d68 /kernel/bpf/stackmap.c | |
parent | e1bca853dddcb57cbf084acbf35e3654cef6fc75 (diff) | |
parent | 2151c84ece920dc55942495004a823cbecb921e5 (diff) | |
download | linux-1422df58e5eb83dca131dc64e0f307a1f9e56078.tar.xz |
Merge branch 'edac-amd64' into edac-updates-for-v5.18
Signed-off-by: Borislav Petkov <bp@suse.de>
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; |