diff options
| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2018-01-18 12:35:21 +0300 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-01-18 22:15:37 +0100 |
| commit | b223e3b4e03a13739ab462560b791a4c692fd86e (patch) | |
| tree | 37ccf293f0f6710992efba8619c235a1ab0e8d51 /tools/bpf | |
| parent | bpf: add comments to BPF ld/ldx sizes (diff) | |
| download | linux-dev-b223e3b4e03a13739ab462560b791a4c692fd86e.tar.xz linux-dev-b223e3b4e03a13739ab462560b791a4c692fd86e.zip | |
tools/bpf_jit_disasm: silence a static checker warning
There is a static checker warning that "proglen" has an upper bound but
no lower bound. The allocation will just fail harmlessly so it's not a
big deal.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpf_jit_disasm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/bpf/bpf_jit_disasm.c b/tools/bpf/bpf_jit_disasm.c index 30044bc4f389..58c2bab4ef6e 100644 --- a/tools/bpf/bpf_jit_disasm.c +++ b/tools/bpf/bpf_jit_disasm.c @@ -172,7 +172,8 @@ static uint8_t *get_last_jit_image(char *haystack, size_t hlen, { char *ptr, *pptr, *tmp; off_t off = 0; - int ret, flen, proglen, pass, ulen = 0; + unsigned int proglen; + int ret, flen, pass, ulen = 0; regmatch_t pmatch[1]; unsigned long base; regex_t regex; @@ -199,7 +200,7 @@ static uint8_t *get_last_jit_image(char *haystack, size_t hlen, } ptr = haystack + off - (pmatch[0].rm_eo - pmatch[0].rm_so); - ret = sscanf(ptr, "flen=%d proglen=%d pass=%d image=%lx", + ret = sscanf(ptr, "flen=%d proglen=%u pass=%d image=%lx", &flen, &proglen, &pass, &base); if (ret != 4) { regfree(®ex); @@ -239,7 +240,7 @@ static uint8_t *get_last_jit_image(char *haystack, size_t hlen, } assert(ulen == proglen); - printf("%d bytes emitted from JIT compiler (pass:%d, flen:%d)\n", + printf("%u bytes emitted from JIT compiler (pass:%d, flen:%d)\n", proglen, pass, flen); printf("%lx + <x>:\n", base); |