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bnx2x: fix potential memory leak in bnx2x_tpa_stop()
[ Upstream commitb43f9acbb8
] bnx2x_tpa_stop() allocates a memory chunk from new_data with bnx2x_frag_alloc(). The new_data should be freed when gets some error. But when "pad + len > fp->rx_buf_size" is true, bnx2x_tpa_stop() returns without releasing the new_data, which will lead to a memory leak. We should free the new_data with bnx2x_frag_free() when "pad + len > fp->rx_buf_size" is true. Fixes:07b0f00964
("bnx2x: fix possible panic under memory stress") Signed-off-by: Jianglei Nie <niejianglei2021@163.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -788,6 +788,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
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BNX2X_ERR("skb_put is about to fail... pad %d len %d rx_buf_size %d\n",
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pad, len, fp->rx_buf_size);
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bnx2x_panic();
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bnx2x_frag_free(fp, new_data);
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return;
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}
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#endif
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