samples/bpf: use %lu format specifier for unsigned long values

Message ID 20231219152307.368921-1-colin.i.king@gmail.com
State New
Headers
Series samples/bpf: use %lu format specifier for unsigned long values |

Commit Message

Colin Ian King Dec. 19, 2023, 3:23 p.m. UTC
  Currently %ld format specifiers are being used for unsigned long
values. Fix this by using %lu instead. Cleans up cppcheck warnings:

warning: %ld in format string (no. 1) requires 'long' but the argument
type is 'unsigned long'. [invalidPrintfArgType_sint]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
---
 samples/bpf/cpustat_user.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
  

Comments

Randy Dunlap Dec. 19, 2023, 10:02 p.m. UTC | #1
On 12/19/23 07:23, Colin Ian King wrote:
> Currently %ld format specifiers are being used for unsigned long
> values. Fix this by using %lu instead. Cleans up cppcheck warnings:
> 
> warning: %ld in format string (no. 1) requires 'long' but the argument
> type is 'unsigned long'. [invalidPrintfArgType_sint]
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>

Reviewed-by: Randy Dunlap <rdunlap@infradead.org>

Thanks.

> ---
>  samples/bpf/cpustat_user.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/samples/bpf/cpustat_user.c b/samples/bpf/cpustat_user.c
> index ab90bb08a2b4..356f756cba0d 100644
> --- a/samples/bpf/cpustat_user.c
> +++ b/samples/bpf/cpustat_user.c
> @@ -66,10 +66,10 @@ static void cpu_stat_print(void)
>  
>  		printf("CPU-%-6d ", j);
>  		for (i = 0; i < MAX_CSTATE_ENTRIES; i++)
> -			printf("%-11ld ", data->cstate[i] / 1000000);
> +			printf("%-11lu ", data->cstate[i] / 1000000);
>  
>  		for (i = 0; i < MAX_PSTATE_ENTRIES; i++)
> -			printf("%-11ld ", data->pstate[i] / 1000000);
> +			printf("%-11lu ", data->pstate[i] / 1000000);
>  
>  		printf("\n");
>  	}
  
patchwork-bot+netdevbpf@kernel.org Dec. 20, 2023, 3:10 p.m. UTC | #2
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Tue, 19 Dec 2023 15:23:07 +0000 you wrote:
> Currently %ld format specifiers are being used for unsigned long
> values. Fix this by using %lu instead. Cleans up cppcheck warnings:
> 
> warning: %ld in format string (no. 1) requires 'long' but the argument
> type is 'unsigned long'. [invalidPrintfArgType_sint]
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> 
> [...]

Here is the summary with links:
  - samples/bpf: use %lu format specifier for unsigned long values
    https://git.kernel.org/bpf/bpf-next/c/32f24938a1fc

You are awesome, thank you!
  

Patch

diff --git a/samples/bpf/cpustat_user.c b/samples/bpf/cpustat_user.c
index ab90bb08a2b4..356f756cba0d 100644
--- a/samples/bpf/cpustat_user.c
+++ b/samples/bpf/cpustat_user.c
@@ -66,10 +66,10 @@  static void cpu_stat_print(void)
 
 		printf("CPU-%-6d ", j);
 		for (i = 0; i < MAX_CSTATE_ENTRIES; i++)
-			printf("%-11ld ", data->cstate[i] / 1000000);
+			printf("%-11lu ", data->cstate[i] / 1000000);
 
 		for (i = 0; i < MAX_PSTATE_ENTRIES; i++)
-			printf("%-11ld ", data->pstate[i] / 1000000);
+			printf("%-11lu ", data->pstate[i] / 1000000);
 
 		printf("\n");
 	}