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authorDan Carpenter <dan.carpenter@oracle.com>2018-01-18 12:35:21 +0300
committerDaniel Borkmann <daniel@iogearbox.net>2018-01-19 00:15:37 +0300
commitb223e3b4e03a13739ab462560b791a4c692fd86e (patch)
tree37ccf293f0f6710992efba8619c235a1ab0e8d51 /tools/bpf
parentcb5f7334d479414adc6afe60105283277e297489 (diff)
downloadlinux-b223e3b4e03a13739ab462560b791a4c692fd86e.tar.xz
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.c7
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(&regex);
@@ -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);