The commit c824125cbb18 ("ixgbe: Fix passing 0 to ERR_PTR in
ixgbe_run_xdp()") stopped utilizing the ERR-like macros for xdp status
encoding. Propagate this logic to the ixgbe_put_rx_buffer().

The commit also relaxed the skb NULL pointer check - caught by Smatch.
Restore this check.

Fixes: c824125cbb18 ("ixgbe: Fix passing 0 to ERR_PTR in ixgbe_run_xdp()")
Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Piotr Kwapulinski <[email protected]>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 7236f20..467f812 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2105,7 +2105,7 @@ static void ixgbe_put_rx_buffer(struct ixgbe_ring 
*rx_ring,
                /* hand second half of page back to the ring */
                ixgbe_reuse_rx_page(rx_ring, rx_buffer);
        } else {
-               if (!IS_ERR(skb) && IXGBE_CB(skb)->dma == rx_buffer->dma) {
+               if (skb && IXGBE_CB(skb)->dma == rx_buffer->dma) {
                        /* the page has been released from the ring */
                        IXGBE_CB(skb)->page_released = true;
                } else {
-- 
v1 -> v2
  Provide extra details in commit message for motivation of this patch.
v2 -> v3
  Simplify the check condition

2.43.0

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