ath10k: fix ath10k_bmi_read32 macro

tmp may be used uninitialized if ath10k_bmi_read_memory() returns
an error.

Signed-off-by: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/bmi.h b/drivers/net/wireless/ath/ath10k/bmi.h
index 3a9bdf5..111ab70 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/bmi.h
+++ b/drivers/net/wireless/ath/ath10k/bmi.h
@@ -201,7 +201,8 @@ int ath10k_bmi_write_memory(struct ath10k *ar, u32 address,
                                                                        \
                addr = host_interest_item_address(HI_ITEM(item));       \
                ret = ath10k_bmi_read_memory(ar, addr, (u8 *)&tmp, 4); \
-               *val = __le32_to_cpu(tmp);                              \
+               if (!ret)                                               \
+                       *val = __le32_to_cpu(tmp);                      \
                ret;                                                    \
         })