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Groups > linux.kernel > #1475746
| From | SF Markus Elfring <elfring@users.sourceforge.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 3/4] sparc: bpf_jit: Avoid assignment for "flen" if BPF JIT is disabled |
| Date | 2016-09-03 18:50 +0200 |
| Message-ID | <sdmiK-7Ks-13@gated-at.bofh.it> (permalink) |
| References | <qEuGl-43C-5@gated-at.bofh.it> <sdm93-7Hd-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Markus Elfring <elfring@users.sourceforge.net> Date: Sat, 3 Sep 2016 18:00:03 +0200 Move the assignment for the local variable "flen" a bit at the beginning so that it will only be performed if BPF JIT is enabled for this function. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- arch/sparc/net/bpf_jit_comp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index a927470..a6b6e29 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -365,13 +365,14 @@ void bpf_jit_compile(struct bpf_prog *fp) unsigned int cleanup_addr, proglen, oldproglen; u32 temp[8], *prog, *func, seen, pass; const struct sock_filter *filter; - int i, flen = fp->len, pc_ret0; + int i, flen, pc_ret0; unsigned int *addrs; void *image; if (!bpf_jit_enable) return; + flen = fp->len; addrs = kmalloc_array(flen, sizeof(*addrs), GFP_KERNEL); if (addrs == NULL) return; -- 2.9.3
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[PATCH 0/4] sparc: bpf_jit: Fine-tuning for bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-03 18:40 +0200
[PATCH 1/4] sparc: bpf_jit: Use kmalloc_array() in bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-03 18:40 +0200
Re: [PATCH 1/4] sparc: bpf_jit: Use kmalloc_array() in bpf_jit_compile() Daniel Borkmann <daniel@iogearbox.net> - 2016-09-03 19:00 +0200
[PATCH 4/4] sparc: bpf_jit: Rename jump labels in bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-03 18:50 +0200
Re: [PATCH 4/4] sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Daniel Borkmann <daniel@iogearbox.net> - 2016-09-03 19:00 +0200
Re: [PATCH 4/4] sparc: bpf_jit: Rename jump labels in bpf_jit_compile() David Miller <davem@davemloft.net> - 2016-09-04 08:20 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-04 09:00 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() David Miller <davem@davemloft.net> - 2016-09-04 09:00 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-04 09:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() David Miller <davem@davemloft.net> - 2016-09-04 09:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-04 09:50 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Daniel Borkmann <daniel@iogearbox.net> - 2016-09-04 12:00 +0200
Re: Clarification for source code formatting around jump labels SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-04 16:00 +0200
Re: Clarification for source code formatting around jump labels Daniel Borkmann <daniel@iogearbox.net> - 2016-09-04 19:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Jean Delvare <jdelvare@suse.de> - 2016-09-05 13:10 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Peter Zijlstra <peterz@infradead.org> - 2016-09-05 13:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Peter Zijlstra <peterz@infradead.org> - 2016-09-05 14:00 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Jean Delvare <jdelvare@suse.de> - 2016-09-06 16:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Peter Zijlstra <peterz@infradead.org> - 2016-09-06 16:50 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Joe Perches <joe@perches.com> - 2016-09-06 17:30 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Jean Delvare <jdelvare@suse.de> - 2016-09-07 14:40 +0200
Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile() Jean Delvare <jdelvare@suse.de> - 2016-09-05 14:00 +0200
[PATCH 3/4] sparc: bpf_jit: Avoid assignment for "flen" if BPF JIT is disabled SF Markus Elfring <elfring@users.sourceforge.net> - 2016-09-03 18:50 +0200
Re: [PATCH 3/4] sparc: bpf_jit: Avoid assignment for "flen" if BPF JIT is disabled Daniel Borkmann <daniel@iogearbox.net> - 2016-09-03 19:00 +0200
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