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rpcrdma: Device kref is over-incremented on error from xa_alloc

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If the device's reference count is too high, the device completion
callback never fires.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2024-08-12 11:47:57 -04:00
committed by Anna Schumaker
parent 47ac09b91b
commit de48aad2a8
1 changed files with 1 additions and 1 deletions
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net/sunrpc/xprtrdma/ib_client.c
+1 -1
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@@ -62,9 +62,9 @@ int rpcrdma_rn_register(struct ib_device *device,
if (!rd || test_bit(RPCRDMA_RD_F_REMOVING, &rd->rd_flags))
return -ENETUNREACH;
kref_get(&rd->rd_kref);
if (xa_alloc(&rd->rd_xa, &rn->rn_index, rn, xa_limit_32b, GFP_KERNEL) < 0)
return -ENOMEM;
kref_get(&rd->rd_kref);
rn->rn_done = done;
return 0;
}