Re: [PATCH][next] bpf: replace redundant |= operation with assignmen

[Christian Heusel <christian@heusel.eu>]

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On 24/10/31 01:07PM, Colin Ian King wrote:
> The operation msk |= ~0ULL contains a redundant bit-wise or operation
> since all the bits are going to be set to 1, so replace this with
> an assignment since this is more optimal and probably clearer too.
> 
> Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
> ---
>  kernel/bpf/inode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
> index 9aaf5124648b..fea07e12601f 100644
> --- a/kernel/bpf/inode.c
> +++ b/kernel/bpf/inode.c
> @@ -914,7 +914,7 @@ static int bpf_parse_param(struct fs_context *fc, struct fs_parameter *param)
>  		str = param->string;
>  		while ((p = strsep(&str, ":"))) {
>  			if (strcmp(p, "any") == 0) {
> -				msk |= ~0ULL;
> +				msk = ~0ULL;
>  			} else if (find_btf_enum_const(info.btf, enum_t, enum_pfx, p, &val)) {
>  				msk |= 1ULL << val;
>  			} else {
> -- 
> 2.39.5

The patch subject contains a typo ("assignmen" should be "assignment"),
but maybe this can just be fixed on apply ..

Cheers,
Chris

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