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i40e: Fix sparse errors in i40e_txrx.c
commit 12738ac upstream. Remove error handling through pointers. Instead use plain int to return value from i40e_run_xdp(...). Previously: - sparse errors were produced during compilation: i40e_txrx.c:2338 i40e_run_xdp() error: (-2147483647) too low for ERR_PTR i40e_txrx.c:2558 i40e_clean_rx_irq() error: 'skb' dereferencing possible ERR_PTR() - sk_buff* was used to return value, but it has never had valid pointer to sk_buff. Returned value was always int handled as a pointer. Fixes: 0c8493d ("i40e: add XDP support for pass and drop actions") Fixes: 2e68931 ("i40e: split XDP_TX tail and XDP_REDIRECT map flushing") Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Tested-by: Dave Switzer <david.switzer@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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