svn commit: r317311 - head/lib/libgeom
Ngie Cooper
ngie at FreeBSD.org
Sun Apr 23 01:47:53 UTC 2017
Author: ngie
Date: Sun Apr 23 01:47:51 2017
New Revision: 317311
URL: https://svnweb.freebsd.org/changeset/base/317311
Log:
Check for failures from getpagesize(3)
Return errno on failure, similar to the open(2) call above it.
MFC after: 5 weeks
Reported by: Coverity
CID: 1193753
Sponsored by: Dell EMC Isilon
Modified:
head/lib/libgeom/geom_stats.c
Modified: head/lib/libgeom/geom_stats.c
==============================================================================
--- head/lib/libgeom/geom_stats.c Sun Apr 23 01:17:59 2017 (r317310)
+++ head/lib/libgeom/geom_stats.c Sun Apr 23 01:47:51 2017 (r317311)
@@ -87,6 +87,8 @@ geom_stats_open(void)
if (statsfd < 0)
return (errno);
pagesize = getpagesize();
+ if (pagesize == -1)
+ return (errno);
spp = pagesize / sizeof(struct devstat);
p = mmap(NULL, pagesize, PROT_READ, MAP_SHARED, statsfd, 0);
if (p == MAP_FAILED) {
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