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Merge branch 'rxrpc-miscellaneous-fixes'

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David Howells says:

====================
rxrpc: Miscellaneous fixes

Here are some miscellaneous fixes for rxrpc:

 (1) Fix assertion failure due to preallocation collision.

 (2) Fix oops due to prealloc backlog struct not yet having been allocated
     if no service calls have yet been preallocated.
====================

Link: https://patch.msgid.link/20250708211506.2699012-1-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-07-09 19:41:45 -07:00
commit 0fda5ccf54
1 changed files with 4 additions and 0 deletions
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4
net/rxrpc/call_accept.c
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@ -149,6 +149,7 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
id_in_use:
write_unlock(&rx->call_lock);
rxrpc_prefail_call(call, RXRPC_CALL_LOCAL_ERROR, -EBADSLT);
rxrpc_cleanup_call(call);
_leave(" = -EBADSLT");
return -EBADSLT;
@ -254,6 +255,9 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
unsigned short call_tail, conn_tail, peer_tail;
unsigned short call_count, conn_count;
if (!b)
return NULL;
/* #calls >= #conns >= #peers must hold true. */
call_head = smp_load_acquire(&b->call_backlog_head);
call_tail = b->call_backlog_tail;