readlink: realpath requires PATH_MAX, bb_common_bufsiz1 can be too small

umount: don't actually need char[2 * PATH_MAX] for realpath

1 files changed, 2 insertions, 2 deletions

diff --git a/coreutils/readlink.c b/coreutils/readlink.c
index b6e389a21..1ab94595a 100644
--- a/coreutils/readlink.c
+++ b/coreutils/readlink.c
@@ -8,7 +8,6 @@
  */
 
 #include <getopt.h>
-
 #include "libbb.h"
 
 int readlink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@@ -16,6 +15,7 @@ int readlink_main(int argc, char **argv)
 {
         char *buf;
         char *fname;
+        char pathbuf[PATH_MAX];
 
         USE_FEATURE_READLINK_FOLLOW(
                 unsigned opt;
@@ -34,7 +34,7 @@ int readlink_main(int argc, char **argv)
         logmode = LOGMODE_NONE;
 
         if (opt) {
-                buf = realpath(fname, bb_common_bufsiz1);
+                buf = realpath(fname, pathbuf);
         } else {
                 buf = xmalloc_readlink_or_warn(fname);
         }