open_by_handle: fix name of directory in error messages

dirname() modifies the string in dname, but we use that string
in error messages later on to print the test dir name.
Make another copy of test_dir for passing to dirname().

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/src/open_by_handle.c b/src/open_by_handle.c
index 36f2b07765e2675c7ae978948891570871d80005..4fdfacd7cab3a7d27f495925b7fcf29c38e65a16 100644 (file)
--- a/src/open_by_handle.c
+++ b/src/open_by_handle.c
@@ -123,6 +123,7 @@ int main(int argc, char **argv)
        int     fd;
        int     ret = 0;
        int     failed = 0;
+       char    mname[PATH_MAX];
        char    dname[PATH_MAX];
        char    fname[PATH_MAX];
        char    fname2[PATH_MAX];
@@ -240,9 +241,10 @@ int main(int argc, char **argv)
         *    the dentry cache and the use of -ip flag combination would not
         *    allow testing decode of dir file handle in cold dcache scenario.
         */
+       strcpy(dname, test_dir);
        if (parent && !in_fd) {
-               strcpy(dname, test_dir);
-               mount_dir = dirname(dname);
+               strcpy(mname, test_dir);
+               mount_dir = dirname(mname);
                if (create)
                        ret = mkdir(test_dir, 0700);
                if (ret < 0 && errno != EEXIST) {