linux-ext4 - [PATCH v8 05/19] fanotify: rename a misnamed constant

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Message-ID: <8776ab90fe538225aeb561c560296bafd16b97c4.1731684329.git.josef@toxicpanda.com>
Date: Fri, 15 Nov 2024 10:30:18 -0500
From: Josef Bacik <josef@...icpanda.com>
To: kernel-team@...com,
	linux-fsdevel@...r.kernel.org,
	jack@...e.cz,
	amir73il@...il.com,
	brauner@...nel.org,
	torvalds@...ux-foundation.org,
	viro@...iv.linux.org.uk,
	linux-xfs@...r.kernel.org,
	linux-btrfs@...r.kernel.org,
	linux-mm@...ck.org,
	linux-ext4@...r.kernel.org
Subject: [PATCH v8 05/19] fanotify: rename a misnamed constant

From: Amir Goldstein <amir73il@...il.com>

FANOTIFY_PIDFD_INFO_HDR_LEN is not the length of the header.

Signed-off-by: Amir Goldstein <amir73il@...il.com>
---
 fs/notify/fanotify/fanotify_user.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 8fca5ec442e4..456cc3e92c88 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -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;
-- 
2.43.0