Commit 8fe172fa authored by Puranjay Mohan's avatar Puranjay Mohan Committed by Alexei Starovoitov
Browse files

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: default avatarPuranjay Mohan <puranjay@kernel.org>
Link: https://lore.kernel.org/r/20260102180038.2708325-6-puranjay@kernel.org


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent cd1d6094

drivers/hid/bpf/hid_bpf_dispatch.c

+1 −4
Original line number Diff line number Diff line
@@ -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) {