d_path: "\0" is {0,0}, not {0}

Single-element array consisting of one NUL is spelled ""...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/d_path.c b/fs/d_path.c
index 270d621..01df5df 100644 (file)
--- a/fs/d_path.c
+++ b/fs/d_path.c
@@ -184,7 +184,7 @@ char *__d_path(const struct path *path,
        char *res = buf + buflen;
        int error;
 
-       prepend(&res, &buflen, "\0", 1);
+       prepend(&res, &buflen, "", 1);
        error = prepend_path(path, root, &res, &buflen);
 
        if (error < 0)
@@ -201,7 +201,7 @@ char *d_absolute_path(const struct path *path,
        char *res = buf + buflen;
        int error;
 
-       prepend(&res, &buflen, "\0", 1);
+       prepend(&res, &buflen, "", 1);
        error = prepend_path(path, &root, &res, &buflen);
 
        if (error > 1)
@@ -218,7 +218,7 @@ static int path_with_deleted(const struct path *path,
                             const struct path *root,
                             char **buf, int *buflen)
 {
-       prepend(buf, buflen, "\0", 1);
+       prepend(buf, buflen, "", 1);
        if (d_unlinked(path->dentry)) {
                int error = prepend(buf, buflen, " (deleted)", 10);
                if (error)
@@ -341,7 +341,7 @@ restart:
        dentry = d;
        end = buf + buflen;
        len = buflen;
-       prepend(&end, &len, "\0", 1);
+       prepend(&end, &len, "", 1);
        /* Get '/' right */
        retval = end-1;
        *retval = '/';
@@ -444,7 +444,7 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
                char *cwd = page + PATH_MAX;
                int buflen = PATH_MAX;
 
-               prepend(&cwd, &buflen, "\0", 1);
+               prepend(&cwd, &buflen, "", 1);
                error = prepend_path(&pwd, &root, &cwd, &buflen);
                rcu_read_unlock();