The patch titled
ext4: use NULL for pointers
has been added to the -mm tree. Its filename is
ext4-use-null-for-pointers.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ext4: use NULL for pointers
From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Use NULL instead of 0 for pointers:
fs/ext4/writeback.c:874:24: warning: Using plain integer as NULL pointer
fs/ext4/writeback.c:1105:23: warning: Using plain integer as NULL pointer
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Cc: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ext4/writeback.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN fs/ext4/writeback.c~ext4-use-null-for-pointers fs/ext4/writeback.c
--- a/fs/ext4/writeback.c~ext4-use-null-for-pointers
+++ a/fs/ext4/writeback.c
@@ -41,6 +41,7 @@
#include <linux/jbd.h>
#include <linux/ext4_fs_extents.h>
#include <linux/smp_lock.h>
+#include <linux/stddef.h>
#include <linux/highuid.h>
#include <linux/pagemap.h>
#include <linux/quotaops.h>
@@ -871,7 +872,7 @@ int ext4_wb_prepare_write(struct file *f
wb_debug("read block %u\n",
(unsigned) bhw->b_blocknr);
set_bh_page(bhw, page, 0);
- bhw->b_this_page = 0;
+ bhw->b_this_page = NULL;
bhw->b_size = 1 << inode->i_blkbits;
atomic_set(&bhw->b_count, 1);
ll_rw_block(READ, 1, &bhw);
@@ -1102,7 +1103,7 @@ int ext4_wb_block_truncate_page(handle_t
wb_debug("read block %u for part.trunc on %lu\n",
(unsigned) bhw->b_blocknr, page->index);
set_bh_page(bhw, page, 0);
- bhw->b_this_page = 0;
+ bhw->b_this_page = NULL;
bhw->b_size = 1 << inode->i_blkbits;
atomic_set(&bhw->b_count, 1);
ll_rw_block(READ, 1, &bhw);
_
Patches currently in -mm which might be from randy.dunlap@xxxxxxxxxx are
git-drm.patch
git-libata-all.patch
romfs-printk-format-warnings.patch
git-netdev-all.patch
fusion-kernel-doc-warning-fixes.patch
unionfs-sioq-not-__exit.patch
i386-fix-gdts-number-of-quadwords-in.patch
scripts-kernel-doc-whitespace-cleanup.patch
reiserfs-proc-support-requires-proc_fs.patch
kprobes-fix-sparse-null-warning.patch
ptrace-needs-proc_fs.patch
some-grammatical-fixups-and-additions-to-atomich-kernel-doc.patch
profile-likely-unlikely-macros.patch
ipwireless-use-ansi-func-decl.patch
cpuidle-unsigned-bitfield.patch
acpi-dock-use-null-for-pointer.patch
ext4-use-null-for-pointers.patch
nozomi-use-null-for-pointers.patch
-
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