umount: stop using excessive aounts of stack. Surprisingly,

code shrank a lot too

function                                             old     new   delta
umount_main                                          751     640    -111

1 files changed, 2 insertions, 1 deletions

diff --git a/util-linux/umount.c b/util-linux/umount.c
index 7c1b81347..a9d60fc29 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -25,7 +25,7 @@ int umount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int umount_main(int argc, char **argv)
 {
         int doForce;
-        char path[PATH_MAX + 2];
+        char *const path = xmalloc(PATH_MAX + 2); /* to save stack */
         struct mntent me;
         FILE *fp;
         char *fstype = 0;
@@ -155,6 +155,7 @@ int umount_main(int argc, char **argv)
                         free(mtl);
                         mtl = m;
                 }
+                free(path);
         }
 
         return status;