dpll: fix return value check for kmemdup

The return value of kmemdup() is dst->freq_supported, not
src->freq_supported. Update the check accordingly.

Fixes: 830ead5fb0c5 ("dpll: fix pin dump crash for rebound module")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240513032824.2410459-1-nichen@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/dpll/dpll_core.c b/drivers/dpll/dpll_core.c
index d0f6693ca142623af740bf69ee8664fc88926fcb..32019dc33cca7e286550e7314edb119c389bb8d6 100644 (file)
--- a/drivers/dpll/dpll_core.c
+++ b/drivers/dpll/dpll_core.c
@@ -449,7 +449,7 @@ static int dpll_pin_prop_dup(const struct dpll_pin_properties *src,
                                   sizeof(*src->freq_supported);
                dst->freq_supported = kmemdup(src->freq_supported,
                                              freq_size, GFP_KERNEL);
-               if (!src->freq_supported)
+               if (!dst->freq_supported)
                        return -ENOMEM;
        }
        if (src->board_label) {