unshare: fix SIGSEGV on invalid command line option

$ unshare --hel
Segmentation fault

The last element of longopts has to be filled with zeros.

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>

diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c
index 6b6177c5427364aaecd3ca8ea8ec3a761ad14afe..12a725e3b1684cafa73141f8adb17cc5149f81f0 100644 (file)
--- a/sys-utils/unshare.c
+++ b/sys-utils/unshare.c
@@ -76,6 +76,7 @@ int main(int argc, char *argv[])
                { "uts", no_argument, 0, 'u' },
                { "ipc", no_argument, 0, 'i' },
                { "net", no_argument, 0, 'n' },
+               { NULL, 0, 0, 0 }
        };
 
        int unshare_flags = 0;