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-rw-r--r--kernel/params.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/kernel/params.c b/kernel/params.c
index 16f269e9ddc9..2a4c51487e72 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -592,19 +592,16 @@ static void __init param_sysfs_builtin(void)
for (i=0; i < __stop___param - __start___param; i++) {
char *dot;
- size_t kplen;
+ size_t max_name_len;
kp = &__start___param[i];
- kplen = strlen(kp->name);
+ max_name_len =
+ min_t(size_t, MAX_KBUILD_MODNAME, strlen(kp->name));
- /* We do not handle args without periods. */
- if (kplen > MAX_KBUILD_MODNAME) {
- DEBUGP("kernel parameter name is too long: %s\n", kp->name);
- continue;
- }
- dot = memchr(kp->name, '.', kplen);
+ 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;