libudev-util: check length before accesing the array

diff --git a/src/libudev/libudev-util.c b/src/libudev/libudev-util.c
index 0f8f634ca3ff19e7f6053d6ccceb3e4c6d9987d7..f4656277c61029bead2797fb1e942131d347f50b 100644 (file)
--- a/src/libudev/libudev-util.c
+++ b/src/libudev/libudev-util.c
@@ -216,7 +216,7 @@ int util_replace_whitespace(const char *str, char *to, size_t len)
 
         /* strip leading whitespace */
         i = 0;
-        while (isspace(str[i]) && (i < len))
+        while ((i < len) && isspace(str[i]))
                 i++;
 
         j = 0;