Re: [PATCH 3/4] audit: uninitialize static variables

2020-08-01 Thread Paul Moore
On Sat, Aug 1, 2020 at 2:46 PM Jules Irenge  wrote:
>
> Checkpatch tool reports an error at variable declaration
>
> "ERROR: do not initialise statics to 0"
>
> This is due to the fact that these variables are stored in the buffer
> In the .bss section, one can not set an initial value
> Here we can trust the compiler to automatically set them to zero.
> The variable has since been uninitialized.
>
> Signed-off-by: Jules Irenge 
> ---
>  kernel/audit.c | 8 
>  1 file changed, 4 insertions(+), 4 deletions(-)

In general this is fine, but it will have to wait until after the
merge window closes.

> diff --git a/kernel/audit.c b/kernel/audit.c
> index 7b1a38a211a9..7d79ecb58b01 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -311,8 +311,8 @@ void audit_panic(const char *message)
>
>  static inline int audit_rate_check(void)
>  {
> -   static unsigned longlast_check = 0;
> -   static int  messages   = 0;
> +   static unsigned longlast_check;
> +   static int  messages;
> static DEFINE_SPINLOCK(lock);
> unsigned long   flags;
> unsigned long   now;
> @@ -348,7 +348,7 @@ static inline int audit_rate_check(void)
>  */
>  void audit_log_lost(const char *message)
>  {
> -   static unsigned longlast_msg = 0;
> +   static unsigned longlast_msg;
> static DEFINE_SPINLOCK(lock);
> unsigned long   flags;
> unsigned long   now;
> @@ -713,7 +713,7 @@ static int kauditd_send_queue(struct sock *sk, u32 portid,
>  {
> int rc = 0;
> struct sk_buff *skb;
> -   static unsigned int failed = 0;
> +   static unsigned int failed;
>
> /* NOTE: kauditd_thread takes care of all our locking, we just use
>  *   the netlink info passed to us (e.g. sk and portid) */
> --
> 2.26.2

-- 
paul moore
www.paul-moore.com


[PATCH 3/4] audit: uninitialize static variables

2020-08-01 Thread Jules Irenge
Checkpatch tool reports an error at variable declaration

"ERROR: do not initialise statics to 0"

This is due to the fact that these variables are stored in the buffer
In the .bss section, one can not set an initial value
Here we can trust the compiler to automatically set them to zero.
The variable has since been uninitialized.

Signed-off-by: Jules Irenge 
---
 kernel/audit.c | 8 
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 7b1a38a211a9..7d79ecb58b01 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -311,8 +311,8 @@ void audit_panic(const char *message)
 
 static inline int audit_rate_check(void)
 {
-   static unsigned longlast_check = 0;
-   static int  messages   = 0;
+   static unsigned longlast_check;
+   static int  messages;
static DEFINE_SPINLOCK(lock);
unsigned long   flags;
unsigned long   now;
@@ -348,7 +348,7 @@ static inline int audit_rate_check(void)
 */
 void audit_log_lost(const char *message)
 {
-   static unsigned longlast_msg = 0;
+   static unsigned longlast_msg;
static DEFINE_SPINLOCK(lock);
unsigned long   flags;
unsigned long   now;
@@ -713,7 +713,7 @@ static int kauditd_send_queue(struct sock *sk, u32 portid,
 {
int rc = 0;
struct sk_buff *skb;
-   static unsigned int failed = 0;
+   static unsigned int failed;
 
/* NOTE: kauditd_thread takes care of all our locking, we just use
 *   the netlink info passed to us (e.g. sk and portid) */
-- 
2.26.2