From d4c0516990dd2c999c459e5352d541e18f4586cb Mon Sep 17 00:00:00 2001 From: Dominik Sliwa Date: Thu, 17 Aug 2017 14:29:20 +0200 Subject: mfd: apalis-tk1: fix NULL pointer dereference Signed-off-by: Dominik Sliwa Acked-by: Marcel Ziswiler --- drivers/mfd/apalis-tk1-k20.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/apalis-tk1-k20.c b/drivers/mfd/apalis-tk1-k20.c index 78c6af88c625..e2d59462530a 100644 --- a/drivers/mfd/apalis-tk1-k20.c +++ b/drivers/mfd/apalis-tk1-k20.c @@ -678,8 +678,9 @@ static uint8_t apalis_tk1_k20_fw_ezport_status(void) static uint8_t apalis_tk1_k20_get_fw_revision(void) { - if (fw_entry->size > APALIS_TK1_K20_FW_VER_ADDR) - return fw_entry->data[APALIS_TK1_K20_FW_VER_ADDR]; + if (fw_entry) + if (fw_entry->size > APALIS_TK1_K20_FW_VER_ADDR) + return fw_entry->data[APALIS_TK1_K20_FW_VER_ADDR]; return 0; } #endif /* CONFIG_APALIS_TK1_K20_EZP */ -- cgit v1.2.3