From: Zhigang Wang <zhigang.x.wang@oracle.com>
To: xen-devel@lists.xenproject.org
Cc: Wei Liu <wei.liu2@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Zhigang Wang <zhigang.x.wang@oracle.com>
Subject: [PATCH] tools/xenstat: handle network interface name in uppercase.
Date: Wed, 20 Apr 2016 10:16:35 -0400 [thread overview]
Message-ID: <1461161795-28948-1-git-send-email-zhigang.x.wang@oracle.com> (raw)
In-Reply-To: <20160420113910.GA4311@citrix.com>
xentop will segmentation fault in this case:
# ip link set eth1 down
# ip link set eth1 name ETH
# xentop
This patch will let xentop to handle all uppercase network interface name.
Signed-off-by: Zhigang Wang <zhigang.x.wang@oracle.com>
---
tools/xenstat/libxenstat/src/xenstat_linux.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/tools/xenstat/libxenstat/src/xenstat_linux.c b/tools/xenstat/libxenstat/src/xenstat_linux.c
index 2cc9c7f..907d65f 100644
--- a/tools/xenstat/libxenstat/src/xenstat_linux.c
+++ b/tools/xenstat/libxenstat/src/xenstat_linux.c
@@ -219,8 +219,11 @@ int parseNetDevLine(char *line, char *iface, unsigned long long *rxBytes, unsign
}
else
/* There were errors when parsing this directly in RE. strpbrk() helps */
- if (iface != NULL)
- strcpy(iface, strpbrk(tmp, "abcdefghijklmnopqrstvuwxyz0123456789"));
+ if (iface != NULL) {
+ char *tmp2 = strpbrk(tmp, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
+ if (tmp2 != NULL)
+ strcpy(iface, tmp2);
+ }
memset(tmp, 0, matches[i].rm_eo - matches[i].rm_so);
}
--
2.5.5
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next prev parent reply other threads:[~2016-04-20 14:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 20:18 [PATCH] tools/xenstat: handle network interface name in uppercase Zhigang Wang
2016-04-19 21:03 ` Zhigang Wang
2016-04-20 11:39 ` Wei Liu
2016-04-20 14:16 ` Zhigang Wang [this message]
2016-04-20 15:12 ` Wei Liu
2016-04-20 18:07 ` Wei Liu
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