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| author | Eduard Zingerman <eddyz87@gmail.com> | 2026-09-04 17:05:56 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-09-04 18:17:30 -0700 |
| commit | 506ada89629ec7059b96ecfb0dc7d33ece0103ca (patch) | |
| tree | 0b07297409b68d2333fb4f0eae7f3b072eb68d4c /drivers/nfc/fdp/fdp.h | |
| download | linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.tar.gz linux-stable-506ada89629ec7059b96ecfb0dc7d33ece0103ca.zip | |
bpf: mark a NULL kfunc argument precisegrafted
check_kfunc_arg() allows bpf_register_is_null() for nullable arguments
w/o marking the underlying scalar register precise. Hence a checkpoint
created on such a path would prune against arbitrary scalar value.
Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)")
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/nfc/fdp/fdp.h')
| -rw-r--r-- | drivers/nfc/fdp/fdp.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/nfc/fdp/fdp.h b/drivers/nfc/fdp/fdp.h new file mode 100644 index 000000000..2e9161a4d --- /dev/null +++ b/drivers/nfc/fdp/fdp.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* ------------------------------------------------------------------------- + * Copyright (C) 2014-2016, Intel Corporation + * + * ------------------------------------------------------------------------- + */ + +#ifndef __LOCAL_FDP_H_ +#define __LOCAL_FDP_H_ + +#include <net/nfc/nci_core.h> +#include <linux/gpio/consumer.h> + +struct fdp_i2c_phy { + struct i2c_client *i2c_dev; + struct gpio_desc *power_gpio; + struct nci_dev *ndev; + + /* < 0 if i2c error occurred */ + int hard_fault; + uint16_t next_read_size; +}; + +int fdp_nci_probe(struct fdp_i2c_phy *phy, const struct nfc_phy_ops *phy_ops, + struct nci_dev **ndev, int tx_headroom, int tx_tailroom, + u8 clock_type, u32 clock_freq, const u8 *fw_vsc_cfg); +void fdp_nci_remove(struct nci_dev *ndev); + +#endif /* __LOCAL_FDP_H_ */ |