diff options
| author | Mark Rutland <mark.rutland@arm.com> | 2021-10-19 17:02:14 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-10-21 10:45:22 +0100 |
| commit | e8c328d7de03bf4d7a18e38ff87a7c12fdf8afb1 (patch) | |
| tree | a6d6df926b562bb352c680f7a0af7d29166c3984 /arch/arm64/net | |
| parent | 819771cc289226e392d5d45f1d162b47ace4eff6 (diff) | |
arm64: extable: make fixup_exception() return bool
The return values of fixup_exception() and arm64_bpf_fixup_exception()
represent a boolean condition rather than an error code, so for clarity
it would be better to return `bool` rather than `int`.
This patch adjusts the code accordingly. While we're modifying the
prototype, we also remove the unnecessary `extern` keyword, so that this
won't look out of place when we make subsequent additions to the header.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: James Morse <james.morse@arm.com>
Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20211019160219.5202-9-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/net')
| -rw-r--r-- | arch/arm64/net/bpf_jit_comp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 41c23f474ea6..956c841ef346 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -358,15 +358,15 @@ static void build_epilogue(struct jit_ctx *ctx) #define BPF_FIXUP_OFFSET_MASK GENMASK(26, 0) #define BPF_FIXUP_REG_MASK GENMASK(31, 27) -int arm64_bpf_fixup_exception(const struct exception_table_entry *ex, - struct pt_regs *regs) +bool arm64_bpf_fixup_exception(const struct exception_table_entry *ex, + struct pt_regs *regs) { off_t offset = FIELD_GET(BPF_FIXUP_OFFSET_MASK, ex->fixup); int dst_reg = FIELD_GET(BPF_FIXUP_REG_MASK, ex->fixup); regs->regs[dst_reg] = 0; regs->pc = (unsigned long)&ex->fixup - offset; - return 1; + return true; } /* For accesses to BTF pointers, add an entry to the exception table */ |