diff options
author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2017-08-17 14:29:20 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-09-20 17:45:38 +0200 |
commit | d4c0516990dd2c999c459e5352d541e18f4586cb (patch) | |
tree | 07e8564b79c0c0d5b93fdf684caba5d77fc065b4 | |
parent | 80bb37ffbc9b73c286d018788e3060bb3a0e5c39 (diff) |
mfd: apalis-tk1: fix NULL pointer dereference
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
-rw-r--r-- | drivers/mfd/apalis-tk1-k20.c | 5 |
1 files 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 */ |