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Avoid NULL pointer dereference on macOS

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This commit is contained in:
Frank Denis 2016-11-04 16:22:49 +01:00
parent dbe9a10fc1
commit 9e0b6d2fa9
1 changed files with 1 additions and 1 deletions
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2
src/tun.c
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@ -413,7 +413,7 @@ open_tun(const char *tun_device)
char tun_name[50];
#ifdef DARWIN
if (!strncmp(tun_device, "utun", 4)) {
if (tun_device != NULL && !strncmp(tun_device, "utun", 4)) {
tun_fd = open_utun(tun_device);
if (tun_fd >= 0) {
return tun_fd;