change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/infiniband/core/verbs.c
..
..
@@ -535,6 +535,8 @@
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 	ret = device->ops.create_ah(ah, &init_attr, udata);
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 	if (ret) {
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+		if (ah->sgid_attr)
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+			rdma_put_gid_attr(ah->sgid_attr);
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 		kfree(ah);
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 		return ERR_PTR(ret);
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 	}
..
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@@ -2911,15 +2913,18 @@
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 bool __rdma_block_iter_next(struct ib_block_iter *biter)
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 {
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 	unsigned int block_offset;
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+	unsigned int sg_delta;
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 	if (!biter->__sg_nents || !biter->__sg)
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 		return false;
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 	biter->__dma_addr = sg_dma_address(biter->__sg) + biter->__sg_advance;
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 	block_offset = biter->__dma_addr & (BIT_ULL(biter->__pg_bit) - 1);
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-	biter->__sg_advance += BIT_ULL(biter->__pg_bit) - block_offset;
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+	sg_delta = BIT_ULL(biter->__pg_bit) - block_offset;
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-	if (biter->__sg_advance >= sg_dma_len(biter->__sg)) {
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+	if (sg_dma_len(biter->__sg) - biter->__sg_advance > sg_delta) {
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+		biter->__sg_advance += sg_delta;
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+	} else {
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 		biter->__sg_advance = 0;
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 		biter->__sg = sg_next(biter->__sg);
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 		biter->__sg_nents--;