svn commit: r323863 - stable/11/usr.bin/ktrdump
Mark Johnston
markj at FreeBSD.org
Thu Sep 21 12:37:13 UTC 2017
Author: markj
Date: Thu Sep 21 12:37:12 2017
New Revision: 323863
URL: https://svnweb.freebsd.org/changeset/base/323863
Log:
MFC r323439:
Provide an error message if KTR symbols in a vmcore cannot be resolved.
Modified:
stable/11/usr.bin/ktrdump/ktrdump.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/usr.bin/ktrdump/ktrdump.c
==============================================================================
--- stable/11/usr.bin/ktrdump/ktrdump.c Thu Sep 21 12:31:51 2017 (r323862)
+++ stable/11/usr.bin/ktrdump/ktrdump.c Thu Sep 21 12:37:12 2017 (r323863)
@@ -93,6 +93,7 @@ main(int ac, char **av)
char *p;
int version;
int entries;
+ int count;
int index, index2;
int parm;
int in;
@@ -162,8 +163,12 @@ main(int ac, char **av)
if ((kd = kvm_openfiles(Nflag ? execfile : NULL,
Mflag ? corefile : NULL, NULL, O_RDONLY, errbuf)) == NULL)
errx(1, "%s", errbuf);
- 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");
More information about the svn-src-stable
mailing list