diff options
| author | Puranjay Mohan <puranjay@kernel.org> | 2026-01-02 21:00:31 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-01-02 23:04:29 +0300 |
| commit | 8fe172fa305f14db815bd88133d2030e4a9e107e (patch) | |
| tree | f2c860ceb840e40e3640f23bae3c3127adf2f3aa | |
| parent | cd1d60949143b10d8eb7cea111e2b8bfb18fe461 (diff) | |
| download | linux-8fe172fa305f14db815bd88133d2030e4a9e107e.tar.xz | |
HID: bpf: drop dead NULL checks in kfuncs
As KF_TRUSTED_ARGS is now considered default for all kfuns, the verifier
will not allow passing NULL pointers to these kfuns. These checks for
NULL pointers can therefore be removed.
Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Link: https://lore.kernel.org/r/20260102180038.2708325-6-puranjay@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
| -rw-r--r-- | drivers/hid/bpf/hid_bpf_dispatch.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/hid/bpf/hid_bpf_dispatch.c b/drivers/hid/bpf/hid_bpf_dispatch.c index 9a06f9b0e4ef..892aca026ffa 100644 --- a/drivers/hid/bpf/hid_bpf_dispatch.c +++ b/drivers/hid/bpf/hid_bpf_dispatch.c @@ -295,9 +295,6 @@ hid_bpf_get_data(struct hid_bpf_ctx *ctx, unsigned int offset, const size_t rdwr { struct hid_bpf_ctx_kern *ctx_kern; - if (!ctx) - return NULL; - ctx_kern = container_of(ctx, struct hid_bpf_ctx_kern, ctx); if (rdwr_buf_size + offset > ctx->allocated_size) @@ -364,7 +361,7 @@ __hid_bpf_hw_check_params(struct hid_bpf_ctx *ctx, __u8 *buf, size_t *buf__sz, u32 report_len; /* check arguments */ - if (!ctx || !hid_ops || !buf) + if (!hid_ops) return -EINVAL; switch (rtype) { |