fm10k: remove err_no reference in fm10k_mbx.c

The reference to err_no was left around after a previous code refactor.
We never use the value, and it doesn't seem to be used in side a hidden
macro reference. Discovered via cppcheck.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c b/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c
index 1b27383..1a4b526 100644 (file)
--- a/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c
@@ -1259,16 +1259,11 @@ static s32 fm10k_mbx_process_error(struct fm10k_hw *hw,
                                   struct fm10k_mbx_info *mbx)
 {
        const u32 *hdr = &mbx->mbx_hdr;
-       s32 err_no;
        u16 head;
 
        /* we will need to pull all of the fields for verification */
        head = FM10K_MSG_HDR_FIELD_GET(*hdr, HEAD);
 
-       /* we only have lower 10 bits of error number so add upper bits */
-       err_no = FM10K_MSG_HDR_FIELD_GET(*hdr, ERR_NO);
-       err_no |= ~FM10K_MSG_HDR_MASK(ERR_NO);
-
        switch (mbx->state) {
        case FM10K_STATE_OPEN:
        case FM10K_STATE_DISCONNECT: