linux-kernel - [PATCH] connector/cn_proc: make comm length as TASK_COMM

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Date: Fri,  9 Feb 2024 23:10:46 +1100
From: Imran Khan <imran.f.khan@...cle.com>
To: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] connector/cn_proc: make comm length as TASK_COMM_LEN.

Since comm_proc_event::comm contains a task_struct::comm,
make its size same as TASK_COMM_LEN and avoid magic number
in buffer size.

Signed-off-by: Imran Khan <imran.f.khan@...cle.com>
---
 include/uapi/linux/cn_proc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/cn_proc.h b/include/uapi/linux/cn_proc.h
index f2afb7cc4926..fd876c9b284f 100644
--- a/include/uapi/linux/cn_proc.h
+++ b/include/uapi/linux/cn_proc.h
@@ -136,7 +136,7 @@ struct proc_event {
 		struct comm_proc_event {
 			__kernel_pid_t process_pid;
 			__kernel_pid_t process_tgid;
-			char           comm[16];
+			char           comm[TASK_COMM_LEN];
 		} comm;
 
 		struct coredump_proc_event {
-- 
2.34.1