Jianglei Nie 6cc0e2afc6 bnx2x: fix potential memory leak in bnx2x_tpa_stop()
[ Upstream commit b43f9acbb8 ]

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>
2022-10-26 13:25:23 +02:00

Linux kernel
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