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bpf: arm64: fix uninitialized variable 

fix the following issue:
arch/arm64/net/bpf_jit_comp.c: In function 'bpf_int_jit_compile':
arch/arm64/net/bpf_jit_comp.c:982:18: error: 'image_size' may be used
uninitialized in this function [-Werror=maybe-uninitialized]

Fixes: db496944fd ("bpf: arm64: add JIT support for multi-function programs")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Alexei Starovoitov 2017-12-18 10:09:44 -08:00 committed by Daniel Borkmann
parent fa2d41adb9
commit 5ee7f784cd
1 changed files with 1 additions and 0 deletions
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arch/arm64/net/bpf_jit_comp.c
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@ -897,6 +897,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
image_ptr = jit_data->image;
header = jit_data->header;
extra_pass = true;
image_size = sizeof(u32) * ctx.idx;
goto skip_init_ctx;
}
memset(&ctx, 0, sizeof(ctx));