[LTP] [PATCH v2 1/2] Add SAFE_KEYCTL macro

[Cyril Hrubis]

Hi!
>  // SPDX-License-Identifier: GPL-2.0-or-later
>  /*
> - * Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
> + * Ccmdyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>

I suppose that you did replace op with cmd and corrupted this line.

>   */
>  
>  #ifndef LAPI_KEYCTL_H__
> @@ -179,4 +179,28 @@ static inline key_serial_t keyctl_join_session_keyring(const char *name) {
>  # define KEY_OTH_ALL     0x0000003f
>  #endif /* !KEY_POS_VIEW */
>  
> +static inline long safe_keyctl(const char *file, const int lineno,
> +	int cmd, unsigned long arg2, unsigned long arg3,
> +	unsigned long arg4, unsigned long arg5) 
                                               ^
					       trailing whitespaces

> +{
> +	long rval;
> +
> +	rval = keyctl(cmd, arg2, arg3, arg4, arg5);
> +	if (rval == -1) {
> +		tst_brk_(file, lineno, TBROK | TERRNO,
> +			"keyctl(%d, %lu, %lu, %lu, %lu)",
> +			cmd, arg2, arg3, arg4, arg5);
> +	} else if (rval < 0) {
> +		tst_brk_(file, lineno, TBROK | TERRNO,
> +			"Invalid keyctl(%d, %lu, %lu, %lu, %lu) "
> +			"return value %ld",
> +			cmd, arg2, arg3, arg4, arg5, rval);
> +	}

Looking at man 2 keyctl() we should fail for non-zero return value for
most of the operations but the ones listed in RETURN VALUE paragraph.

> +	return rval;
> +}
> +#define SAFE_KEYCTL(cmd, arg2, arg3, arg4, arg5) \
> +	safe_keyctl(__FILE__, __LINE__, \
> +	     (cmd), (arg2), (arg3), (arg4), (arg5))
> +
>  #endif	/* LAPI_KEYCTL_H__ */
> 
> -- 
> 2.43.0
> 
> 
> -- 
> Mailing list info: https://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz