[PATCH AUTOSEL 5.10 16/24] samples/bpf: Fix fout leak in hbm's run_bpf_prog

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From: Hao Zeng <zenghao@xxxxxxxxxx>

[ Upstream commit 23acb14af1914010dd0aae1bbb7fab28bf518b8e ]

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@xxxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20230411084349.1999628-1-zenghao@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 samples/bpf/hbm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index ff4c533dfac29..8e48489b96ae9 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -308,6 +308,7 @@ static int run_bpf_prog(char *prog, int cg_id)
 		fout = fopen(fname, "w");
 		fprintf(fout, "id:%d\n", cg_id);
 		fprintf(fout, "ERROR: Could not lookup queue_stats\n");
+		fclose(fout);
 	} else if (stats_flag && qstats.lastPacketTime >
 		   qstats.firstPacketTime) {
 		long long delta_us = (qstats.lastPacketTime -
-- 
2.39.2





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