From: Luiz Capitulino <lcapitulino@mandriva.com.br>
Date: Tue, 21 Mar 2006 06:17:00 +0000 (-0800)
Subject: [PKTGEN]: Fix kernel_thread() fail leak.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12e1872328e7055d06e539f1b687dc3d0610855c;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PKTGEN]: Fix kernel_thread() fail leak.

Free all the alocated resources if kernel_thread() call fails.

Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index f2c0e965c139..eef1392b7f8e 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3082,6 +3082,7 @@ static struct pktgen_thread *__init pktgen_find_thread(const char *name)
 
 static int __init pktgen_create_thread(const char *name, int cpu)
 {
+	int err;
 	struct pktgen_thread *t = NULL;
 	struct proc_dir_entry *pe;
 
@@ -3120,9 +3121,15 @@ static int __init pktgen_create_thread(const char *name, int cpu)
 
 	t->removed = 0;
 
-	if (kernel_thread((void *)pktgen_thread_worker, (void *)t,
-			  CLONE_FS | CLONE_FILES | CLONE_SIGHAND) < 0)
+	err = kernel_thread((void *)pktgen_thread_worker, (void *)t,
+			  CLONE_FS | CLONE_FILES | CLONE_SIGHAND);
+	if (err < 0) {
 		printk("pktgen: kernel_thread() failed for cpu %d\n", t->cpu);
+		remove_proc_entry(t->name, pg_proc_dir);
+		list_del(&t->th_list);
+		kfree(t);
+		return err;
+	}
 
 	return 0;
 }