linux-kernel - [POC][PATCH 48/83] jfs_readdir(): make dirent

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Message-Id: <1450741676-5865-48-git-send-email-viro@ZenIV.linux.org.uk>
Date:	Mon, 21 Dec 2015 23:47:21 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	linux-kernel@...r.kernel.org
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [POC][PATCH 48/83] jfs_readdir(): make dirent_buf a pointer

From: Al Viro <viro@...iv.linux.org.uk>

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 fs/jfs/jfs_dtree.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index e585852..56d18de 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -3023,7 +3023,7 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
 	struct ldtentry *d;
 	struct dtslot *t;
 	int d_namleft, len, outlen;
-	unsigned long dirent_buf;
+	void *dirent_buf;
 	char *name_ptr;
 	u32 dir_index;
 	int do_index = 0;
@@ -3180,8 +3180,8 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
 		}
 	}
 
-	dirent_buf = __get_free_page(GFP_KERNEL);
-	if (dirent_buf == 0) {
+	dirent_buf = (void *)__get_free_page(GFP_KERNEL);
+	if (!dirent_buf) {
 		DT_PUTPAGE(mp);
 		jfs_warn("jfs_readdir: __get_free_page failed!");
 		ctx->pos = DIREND;
@@ -3198,7 +3198,7 @@ int jfs_readdir(struct file *file, struct dir_context *ctx)
 		for (i = index; i < p->header.nextindex; i++) {
 			d = (struct ldtentry *) & p->slot[stbl[i]];
 
-			if (((long) jfs_dirent + d->namlen + 1) >
+			if (((void *) jfs_dirent + d->namlen + 1) >
 			    (dirent_buf + PAGE_SIZE)) {
 				/* DBCS codepages could overrun dirent_buf */
 				index = i;
@@ -3324,13 +3324,13 @@ skip_one:
 
 		DT_GETPAGE(ip, bn, mp, PSIZE, p, rc);
 		if (rc) {
-			free_page((void *)dirent_buf);
+			free_page(dirent_buf);
 			return rc;
 		}
 	}
 
       out:
-	free_page((void *)dirent_buf);
+	free_page(dirent_buf);
 
 	return rc;
 }
-- 
2.1.4

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