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samples/bpf: Fix fout leak in hbm's run_bpf_prog 

[ Upstream commit 23acb14af1 ]

Fix fout being fopen'ed but then not subsequently fclose'd. In the affected
branch, fout is otherwise going out of scope.

Signed-off-by: Hao Zeng <zenghao@kylinos.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230411084349.1999628-1-zenghao@kylinos.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hao Zeng 2023-04-11 16:43:49 +08:00 committed by Greg Kroah-Hartman
parent e05d63f8b4
commit f2065b8b0a
1 changed files with 1 additions and 0 deletions
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samples/bpf/hbm.c
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@ -315,6 +315,7 @@ static int run_bpf_prog(char *prog, int cg_id)
fout = fopen(fname, "w"); fout = fopen(fname, "w");
fprintf(fout, "id:%d\n", cg_id); fprintf(fout, "id:%d\n", cg_id);
fprintf(fout, "ERROR: Could not lookup queue_stats\n"); fprintf(fout, "ERROR: Could not lookup queue_stats\n");
fclose(fout);
} else if (stats_flag && qstats.lastPacketTime > } else if (stats_flag && qstats.lastPacketTime >
qstats.firstPacketTime) { qstats.firstPacketTime) {
long long delta_us = (qstats.lastPacketTime - long long delta_us = (qstats.lastPacketTime -