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bpf: Free inner_map_meta when btf_record_dup fails
authorKumar Kartikeya Dwivedi <memxor@gmail.com>
Fri, 18 Nov 2022 01:55:53 +0000 (07:25 +0530)
committerAlexei Starovoitov <ast@kernel.org>
Fri, 18 Nov 2022 03:11:31 +0000 (19:11 -0800)
commitd48995723c9a1c4896206be382c72d722accbfbc
treea231d7e8a0c91dff1a43fd2e83713d26cc47c479tree | snapshot
parentd7f5ef653c3dd0c0d649cae6ef2708053bb1fb2bcommit | diff
bpf: Free inner_map_meta when btf_record_dup fails

Whenever btf_record_dup fails, we must free inner_map_meta that was
allocated before.

This fixes a memory leak (in case of errors) during inner map creation.

Fixes: aa3496accc41 ("bpf: Refactor kptr_off_tab into btf_record")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20221118015614.2013203-4-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
kernel/bpf/map_in_map.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git