diff options
Diffstat (limited to 'drivers/dpll/dpll_core.c')
| -rw-r--r-- | drivers/dpll/dpll_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dpll/dpll_core.c b/drivers/dpll/dpll_core.c index 1877201d1aa9..20bdc52f63a5 100644 --- a/drivers/dpll/dpll_core.c +++ b/drivers/dpll/dpll_core.c @@ -443,8 +443,11 @@ static void dpll_pin_prop_free(struct dpll_pin_properties *prop) static int dpll_pin_prop_dup(const struct dpll_pin_properties *src, struct dpll_pin_properties *dst) { + if (WARN_ON(src->freq_supported && !src->freq_supported_num)) + return -EINVAL; + memcpy(dst, src, sizeof(*dst)); - if (src->freq_supported && src->freq_supported_num) { + if (src->freq_supported) { size_t freq_size = src->freq_supported_num * sizeof(*src->freq_supported); dst->freq_supported = kmemdup(src->freq_supported, |