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path: root/arch/arm/net/bpf_jit_32.c
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Diffstat (limited to 'arch/arm/net/bpf_jit_32.c')
-rw-r--r--arch/arm/net/bpf_jit_32.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 72b5cd697f5d..deeb8f292454 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -2252,28 +2252,21 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
/* If building the body of the JITed code fails somehow,
* we fall back to the interpretation.
*/
- if (build_body(&ctx) < 0) {
- image_ptr = NULL;
- bpf_jit_binary_free(header);
- prog = orig_prog;
- goto out_imms;
- }
+ if (build_body(&ctx) < 0)
+ goto out_free;
build_epilogue(&ctx);
/* 3.) Extra pass to validate JITed Code */
- if (validate_code(&ctx)) {
- image_ptr = NULL;
- bpf_jit_binary_free(header);
- prog = orig_prog;
- goto out_imms;
- }
+ if (validate_code(&ctx))
+ goto out_free;
flush_icache_range((u32)header, (u32)(ctx.target + ctx.idx));
if (bpf_jit_enable > 1)
/* there are 2 passes here */
bpf_jit_dump(prog->len, image_size, 2, ctx.target);
- bpf_jit_binary_lock_ro(header);
+ if (bpf_jit_binary_lock_ro(header))
+ goto out_free;
prog->bpf_func = (void *)ctx.target;
prog->jited = 1;
prog->jited_len = image_size;
@@ -2290,5 +2283,11 @@ out:
bpf_jit_prog_release_other(prog, prog == orig_prog ?
tmp : orig_prog);
return prog;
+
+out_free:
+ image_ptr = NULL;
+ bpf_jit_binary_free(header);
+ prog = orig_prog;
+ goto out_imms;
}