diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2017-09-11 15:18:43 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2017-09-11 15:18:43 +0000 |
| commit | 8e15d40d24ea4d32c7078c10829032f5411d2a8c (patch) | |
| tree | c2d00d0b0ab95dcc1907c923e16a6a5e103be0a4 /usr.bin | |
| parent | 355534688cec70a5b9c68cc83cae632eaa9f2e2c (diff) | |
Notes
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/ktrdump/ktrdump.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/usr.bin/ktrdump/ktrdump.c b/usr.bin/ktrdump/ktrdump.c index d6a4e0911d03..a23ae413400b 100644 --- a/usr.bin/ktrdump/ktrdump.c +++ b/usr.bin/ktrdump/ktrdump.c @@ -98,6 +98,7 @@ main(int ac, char **av) char *p; int version; int entries; + int count; int index, index2; int parm; int in; @@ -184,8 +185,12 @@ main(int ac, char **av) */ caph_cache_catpages(); - if (kvm_nlist(kd, nl) != 0 || - kvm_read(kd, nl[0].n_value, &version, sizeof(version)) == -1) + count = kvm_nlist(kd, nl); + if (count == -1) + errx(1, "%s", kvm_geterr(kd)); + if (count > 0) + errx(1, "failed to resolve ktr symbols"); + if (kvm_read(kd, nl[0].n_value, &version, sizeof(version)) == -1) errx(1, "%s", kvm_geterr(kd)); if (version != KTR_VERSION) errx(1, "ktr version mismatch"); |