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Revision 27de809a3d83a6199664479ebb19712533d6fd9b authored by Björn Töpel on 28 October 2021, 12:51:15 UTC, committed by Jakub Kicinski on 28 October 2021, 15:14:30 UTC 
riscv, bpf: Fix potential NULL dereference
 
The bpf_jit_binary_free() function requires a non-NULL argument. When
the RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps,
jit_data->header will be NULL, which triggers a NULL
dereference. Avoid this by checking the argument, prior calling the
function.

Fixes: ca6cb5447cec ("riscv, bpf: Factor common RISC-V JIT code")
Signed-off-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20211028125115.514587-1-bjorn@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1 parent 20af886
Raw File
ac97_core.h 
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2016 Robert Jarzmik <robert.jarzmik@free.fr>
 */

unsigned int snd_ac97_bus_scan_one(struct ac97_controller *adrv,
				   unsigned int codec_num);

static inline bool ac97_ids_match(unsigned int id1, unsigned int id2,
				  unsigned int mask)
{
	return (id1 & mask) == (id2 & mask);
}
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