mount: fix gcc7 format-overflow errors

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/mount.c b/mount.c
index 26e416e3f22c99c2304bcc8f1dde68578a21c057..2d5114cf8cefcc5c972f7941c24bcf204d6062a6 100644 (file)
--- a/mount.c
+++ b/mount.c
@@ -394,7 +394,7 @@ static char* mount_get_serial(char *dev)
                                {
                                        int id;
                                        struct stat buf;
-                                       char tmp3[255];
+                                       char tmp3[strlen(namelist[n]->d_name) + strlen(dev) + 31];
                                        int ret;
                                        *t = 0;
                                        id = atoi(namelist[n]->d_name);