[PATCH 2/2] ping: Don't free an unintialized value.
From: Jan Synacek <hidden>
Date: 2012-11-14 12:57:55
Subsystem:
the rest · Maintainer:
Linus Torvalds
--- ping.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/ping.c b/ping.c
index fe9ff8a..9de3d08 100644
--- a/ping.c
+++ b/ping.c@@ -122,7 +122,7 @@ main(int argc, char **argv) u_char *packet; char *target; #ifdef USE_IDN - char *hnamebuf; + char *hnamebuf = NULL; #else char hnamebuf[MAX_HOSTNAMELEN]; #endif
@@ -263,8 +263,10 @@ main(int argc, char **argv) #ifdef USE_IDN int rc; - free(hnamebuf); - hnamebuf = NULL; + if (hnamebuf) { + free(hnamebuf); + hnamebuf = NULL; + } rc = idna_to_ascii_lz(target, &idn, 0); if (rc != IDNA_SUCCESS) {
--
1.7.11.7