Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / kernel / params.c

diff --git a/kernel/params.c b/kernel/params.c
index 1d6aca288cdcb078ed5a3a6790d9f532f98d8f88..2a4c51487e7257e1865ae33d805a22e3dbb7f9ae 100644 (file)
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -592,13 +592,16 @@ static void __init param_sysfs_builtin(void)
 
        for (i=0; i < __stop___param - __start___param; i++) {
                char *dot;
+               size_t max_name_len;
 
                kp = &__start___param[i];
+               max_name_len =
+                       min_t(size_t, MAX_KBUILD_MODNAME, strlen(kp->name));
 
-               /* We do not handle args without periods. */
-               dot = memchr(kp->name, '.', MAX_KBUILD_MODNAME);
+               dot = memchr(kp->name, '.', max_name_len);
                if (!dot) {
-                       DEBUGP("couldn't find period in %s\n", kp->name);
+                       DEBUGP("couldn't find period in first %d characters "
+                              "of %s\n", MAX_KBUILD_MODNAME, kp->name);
                        continue;
                }
                name_len = dot - kp->name;