selftests/bpf: Free strdup memory in xdp_hw_metadata

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The strdup() function returns a pointer to a new string which is a
duplicate of the string "ifname". Memory for the new string is obtained
with malloc(), and need to be freed with free().

This patch adds this missing "free(saved_hwtstamp_ifname)" in cleanup()
to avoid a potential memory leak in xdp_hw_metadata.c.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/af9bcccb96655e82de5ce2b4510b88c9c8ed5ed0.1715417367.git.tanggeliang@kylinos.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Geliang Tang 2024-05-11 16:50:24 +08:00 • committed by Alexei Starovoitov

parent 5ddafcc377

commit a3c1c95538

1 changed files with 2 additions and 0 deletions

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tools/testing/selftests/bpf/xdp_hw_metadata.c

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