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Commit 9fcf836b authored by Yaowei Bai's avatar Yaowei Bai Committed by Paul Moore
Browse files

audit: audit_string_contains_control can be boolean 



This patch makes audit_string_contains_control return bool to improve
readability due to this particular function only using either one or
zero as its return value.

Signed-off-by: default avatarYaowei Bai <bywxiaobai@163.com>
[PM: tweaked subject line]
Signed-off-by: default avatarPaul Moore <pmoore@redhat.com>
parent 36734810

include/linux/audit.h

+1 −1
Original line number Diff line number Diff line
@@ -457,7 +457,7 @@ extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp 
extern __printf(2, 3)

void audit_log_format(struct audit_buffer *ab, const char *fmt, ...);

extern void		    audit_log_end(struct audit_buffer *ab);

extern int		    audit_string_contains_control(const char *string,

extern bool		    audit_string_contains_control(const char *string,

							  size_t len);

extern void		    audit_log_n_hex(struct audit_buffer *ab,

					  const unsigned char *buf,

kernel/audit.c

+3 −3
Original line number Diff line number Diff line
@@ -1583,14 +1583,14 @@ void audit_log_n_string(struct audit_buffer *ab, const char *string, 
 * @string: string to be checked

 * @len: max length of the string to check

 */

int audit_string_contains_control(const char *string, size_t len)

bool audit_string_contains_control(const char *string, size_t len)

{

	const unsigned char *p;

	for (p = string; p < (const unsigned char *)string + len; p++) {

		if (*p == '"' || *p < 0x21 || *p > 0x7e)

			return 1;

			return true;

	}

	return 0;

	return false;

}



/**