path: root/net
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authorChen Gang <gang.chen@asianux.com>2013-03-07 17:19:32 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-08 00:35:44 -0500
commit2e85d67690cf3ea3f074a6e872f675226883fe7f (patch)
tree12412103c1a5bfde782c1692231bd40844267c73 /net
parentd9169323308a63fdd967920b9c63a00394ae7c85 (diff)
net/rds: zero last byte for strncpy
for NUL terminated string, need be always sure '\0' in the end. additional info: strncpy will pads with zeroes to the end of the given buffer. should initialise every bit of memory that is going to be copied to userland Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
1 files changed, 1 insertions, 0 deletions
diff --git a/net/rds/stats.c b/net/rds/stats.c
index 7be790d60b9..73be187d389 100644
--- a/net/rds/stats.c
+++ b/net/rds/stats.c
@@ -87,6 +87,7 @@ void rds_stats_info_copy(struct rds_info_iterator *iter,
for (i = 0; i < nr; i++) {
BUG_ON(strlen(names[i]) >= sizeof(ctr.name));
strncpy(ctr.name, names[i], sizeof(ctr.name) - 1);
+ ctr.name[sizeof(ctr.name) - 1] = '\0';
ctr.value = values[i];
rds_info_copy(iter, &ctr, sizeof(ctr));