diff options
Diffstat (limited to 'sound/core/control.c')
| -rw-r--r-- | sound/core/control.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 978fe1a8e9f0..819a5c579a39 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -21,6 +21,7 @@ #include <linux/threads.h> #include <linux/interrupt.h> +#include <linux/module.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/time.h> @@ -1081,12 +1082,12 @@ static int snd_ctl_elem_init_enum_names(struct user_element *ue) char *names, *p; size_t buf_len, name_len; unsigned int i; + const uintptr_t user_ptrval = ue->info.value.enumerated.names_ptr; if (ue->info.value.enumerated.names_length > 64 * 1024) return -EINVAL; - names = memdup_user( - (const void __user *)ue->info.value.enumerated.names_ptr, + names = memdup_user((const void __user *)user_ptrval, ue->info.value.enumerated.names_length); if (IS_ERR(names)) return PTR_ERR(names); |