diff mbox series

bpf: Optimize resource leakage problems

Message ID 20241128024717.2719-1-liujing@cmss.chinamobile.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series bpf: Optimize resource leakage problems | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch
bpf/vmtest-bpf-next-PR success PR summary
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Commit Message

liujing Nov. 28, 2024, 2:47 a.m. UTC 
If fopen executes successfully in the main function, it does
not close the open file stream before the end of the function.

Signed-off-by: liujing <liujing@cmss.chinamobile.com>

Comments

Alexei Starovoitov Nov. 28, 2024, 3:07 a.m. UTC | #1 
On Wed, Nov 27, 2024 at 6:47 PM liujing <liujing@cmss.chinamobile.com> wrote:
>
> If fopen executes successfully in the main function, it does
> not close the open file stream before the end of the function.
>
> Signed-off-by: liujing <liujing@cmss.chinamobile.com>

Same issue.

pw-bot: cr
diff mbox series

Patch

diff --git a/tools/bpf/bpf_dbg.c b/tools/bpf/bpf_dbg.c
index 00e560a17baf..2445dfb4fc46 100644
--- a/tools/bpf/bpf_dbg.c
+++ b/tools/bpf/bpf_dbg.c
@@ -1388,11 +1388,17 @@  static int run_shell_loop(FILE *fin, FILE *fout)
 int main(int argc, char **argv)
 {
 	FILE *fin = NULL, *fout = NULL;
-
+	int result;
 	if (argc >= 2)
 		fin = fopen(argv[1], "r");
 	if (argc >= 3)
 		fout = fopen(argv[2], "w");
 
-	return run_shell_loop(fin ? : stdin, fout ? : stdout);
+	result = run_shell_loop(fin ? : stdin, fout ? : stdout);
+	if (fin)
+		fclose(fin);
+
+	if (fout)
+		fclose(fout);
+	return result;
 }