Commit 4edcb9f7 authored by Amir Goldstein's avatar Amir Goldstein Committed by Jan Kara
Browse files

fanotify: rename a misnamed constant 



FANOTIFY_PIDFD_INFO_HDR_LEN is not the length of the header.

Signed-off-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
Link: https://patch.msgid.link/8776ab90fe538225aeb561c560296bafd16b97c4.1731684329.git.josef@toxicpanda.com
parent b82c6f59

fs/notify/fanotify/fanotify_user.c

+5 −5
Original line number Diff line number Diff line
@@ -117,7 +117,7 @@ struct kmem_cache *fanotify_perm_event_cachep __ro_after_init; 
#define FANOTIFY_EVENT_ALIGN 4

#define FANOTIFY_FID_INFO_HDR_LEN \

	(sizeof(struct fanotify_event_info_fid) + sizeof(struct file_handle))

#define FANOTIFY_PIDFD_INFO_HDR_LEN \

#define FANOTIFY_PIDFD_INFO_LEN \

	sizeof(struct fanotify_event_info_pidfd)

#define FANOTIFY_ERROR_INFO_LEN \

	(sizeof(struct fanotify_event_info_error))
@@ -172,14 +172,14 @@ static size_t fanotify_event_len(unsigned int info_mode, 
		dot_len = 1;

	}



	if (info_mode & FAN_REPORT_PIDFD)

		event_len += FANOTIFY_PIDFD_INFO_HDR_LEN;



	if (fanotify_event_has_object_fh(event)) {

		fh_len = fanotify_event_object_fh_len(event);

		event_len += fanotify_fid_info_len(fh_len, dot_len);

	}



	if (info_mode & FAN_REPORT_PIDFD)

		event_len += FANOTIFY_PIDFD_INFO_LEN;



	return event_len;

}
@@ -501,7 +501,7 @@ static int copy_pidfd_info_to_user(int pidfd, 
				   size_t count)

{

	struct fanotify_event_info_pidfd info = { };

	size_t info_len = FANOTIFY_PIDFD_INFO_HDR_LEN;

	size_t info_len = FANOTIFY_PIDFD_INFO_LEN;



	if (WARN_ON_ONCE(info_len > count))

		return -EFAULT;