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[PATCH] xen-netback: correct success/error reporting for the SKB-with-fraglist case

When re-entering the main loop of xenvif_tx_check_gop() a 2nd time, the
special considerations for the head of the SKB no longer apply. Don't
mistakenly report ERROR to the frontend for the first entry in the list,
even if - from all I can tell - this shouldn't matter much as the overall
transmit will need to be considered failed anyway.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -499,7 +499,7 @@ check_frags:
                                 * the header's copy failed, and they are
                                 * sharing a slot, send an error
-                               if (i == 0 && sharedslot)
+                               if (i == 0 && !first_shinfo && sharedslot)
                                        xenvif_idx_release(queue, pending_idx,



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