net/i40e/base: fix potentially uninitialized variables

[ upstream commit bc99971 ]

The status of i40e_read_nvm_word is not checked, so variables set
from this function could be used uninitialized. In this case, preserve
the existing flow that does not block initialization by initializing
these values from the start.

Fixes: 8d6c51f ("i40e/base: get OEM version")
Fixes: 2db7057 ("net/i40e/base: limit PF/VF specific code to that driver only")

Signed-off-by: Christopher Pau <christopher.pau@intel.com>
Signed-off-by: Robin Zhang <robinx.zhang@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>

drivers/net/i40e/base/i40e_adminq.c

@@ -587,8 +587,10 @@ STATIC void i40e_resume_aq(struct i40e_hw *hw)
 enum i40e_status_code i40e_init_adminq(struct i40e_hw *hw)
 {
 #ifdef PF_DRIVER
-	u16 cfg_ptr, oem_hi, oem_lo;
-	u16 eetrack_lo, eetrack_hi;
+	u16 oem_hi = 0, oem_lo = 0;
+	u16 eetrack_hi = 0;
+	u16 eetrack_lo = 0;
+	u16 cfg_ptr = 0;
 #endif
 	enum i40e_status_code ret_code;
 #ifdef PF_DRIVER