On Tue, Jan 02, 2024 at 06:19:37PM +0800, Zhenhua Huang wrote:
> commit 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to
> /proc/bootconfig") adds bootloader argument comments into /proc/bootconfig.
>
> /proc/bootconfig shows boot_command_line[] multiple times following
> every xbc key value pair, that's duplicated and not necessary.
> Remove redundant ones.
>
> Output before and after the fix is like:
> key1 = value1
> *bootloader argument comments*
> key2 = value2
> *bootloader argument comments*
> key3 = value3
> *bootloader argument comments*
> ...
>
> key1 = value1
> key2 = value2
> key3 = value3
> *bootloader argument comments*
> ...
>
> Fixes: 717c7c894d4b ("fs/proc: Add boot loader arguments as comment to /proc/bootconfig")
> Signed-off-by: Zhenhua Huang <quic_zhenhuah@xxxxxxxxxxx>
Good catch, and what I get for testing with only a single bootconfig
parameter. :-/
Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> ---
> fs/proc/bootconfig.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
> index 902b326..e5635a6 100644
> --- a/fs/proc/bootconfig.c
> +++ b/fs/proc/bootconfig.c
> @@ -62,12 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
> break;
> dst += ret;
> }
> - if (ret >= 0 && boot_command_line[0]) {
> - ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
> - boot_command_line);
> - if (ret > 0)
> - dst += ret;
> - }
> + }
> + if (ret >= 0 && boot_command_line[0]) {
> + ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
> + boot_command_line);
> + if (ret > 0)
> + dst += ret;
> }
> out:
> kfree(key);
> --
> 2.7.4
>
