diff --git a/fs/smb/client/dir.c b/fs/smb/client/dir.c
index b0ddcaa2d815..c292e3cd623b 100644
--- a/fs/smb/client/dir.c
+++ b/fs/smb/client/dir.c
@@ -115,11 +115,7 @@ char *__build_path_from_dentry_optional_prefix(struct dentry *direntry, void *pa
 	}
 	if (dirsep != '/') {
 		/* BB test paths to Windows with '/' in the midst of prepath */
-		char *p;
-
-		for (p = s; *p; p++)
-			if (*p == '/')
-				*p = dirsep;
+		strreplace(s, '/', dirsep);
 	}
 	if (dfsplen) {
 		s -= dfsplen;