Re: [PATCH 1/2] binfmt_misc: add comments & debug logs

[Joe Perches]

On Sun, 2014-10-19 at 19:03 -0400, Mike Frysinger wrote:
> let's deploy extensive pr_debug markers at
> logical parse points, and add comments to the dense parsing logic.
[]
> diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
[]
> @@ -259,14 +270,17 @@ static char * check_special_flags (char * sfs, Node * e)
>  	while (cont) {
>  		switch (*p) {
>  			case 'P':
> +				pr_debug("register: flag: P (preserve argv0)");

Missing '\n' newline.
Can you please add them as appropriate?

>  				p++;
>  				e->flags |= MISC_FMT_PRESERVE_ARGV0;
>  				break;
>  			case 'O':
> +				pr_debug("register: flag: O (open binary)");

etc...

> @@ -292,6 +306,8 @@ static Node *create_entry(const char __user *buffer, size_t count)
>  	char *buf, *p;
>  	char del;
>  
> +	pr_debug("register: received %zu bytes", count);

etc...



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