NULL noise: fs/*, mm/*, kernel/*

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 11 insertions, 9 deletions

diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
index f85c5cf4934c..7ee4208793b6 100644
--- a/fs/reiserfs/do_balan.c
+++ b/fs/reiserfs/do_balan.c
@@ -283,7 +283,7 @@ static int balance_leaf(struct tree_balance *tb, struct item_head *ih,	/* item h
                 return balance_leaf_when_delete(tb, flag);
 
         zeros_num = 0;
-        if (flag == M_INSERT && body == 0)
+        if (flag == M_INSERT && !body)
                 zeros_num = ih_item_len(ih);
 
         pos_in_item = tb->tb_path->pos_in_item;
@@ -1728,7 +1728,7 @@ struct buffer_head *get_FEB(struct tree_balance *tb)
         struct buffer_info bi;
 
         for (i = 0; i < MAX_FEB_SIZE; i++)
-                if (tb->FEB[i] != 0)
+                if (tb->FEB[i] != NULL)
                         break;
 
         if (i == MAX_FEB_SIZE)
@@ -1827,7 +1827,7 @@ int get_left_neighbor_position(struct tree_balance *tb, int h)
 {
         int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1);
 
-        RFALSE(PATH_H_PPARENT(tb->tb_path, h) == 0 || tb->FL[h] == 0,
+        RFALSE(PATH_H_PPARENT(tb->tb_path, h) == NULL || tb->FL[h] == NULL,
                "vs-12325: FL[%d](%p) or F[%d](%p) does not exist",
                h, tb->FL[h], h, PATH_H_PPARENT(tb->tb_path, h));
 
@@ -1841,7 +1841,7 @@ int get_right_neighbor_position(struct tree_balance *tb, int h)
 {
         int Sh_position = PATH_H_POSITION(tb->tb_path, h + 1);
 
-        RFALSE(PATH_H_PPARENT(tb->tb_path, h) == 0 || tb->FR[h] == 0,
+        RFALSE(PATH_H_PPARENT(tb->tb_path, h) == NULL || tb->FR[h] == NULL,
                "vs-12330: F[%d](%p) or FR[%d](%p) does not exist",
                h, PATH_H_PPARENT(tb->tb_path, h), h, tb->FR[h]);
 
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 0ee35c6c9b72..07d05e0842b7 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -153,7 +153,7 @@ static void create_virtual_node(struct tree_balance *tb, int h)
         if (vn->vn_mode == M_INSERT) {
                 struct virtual_item *vi = vn->vn_vi + vn->vn_affected_item_num;
 
-                RFALSE(vn->vn_ins_ih == 0,
+                RFALSE(vn->vn_ins_ih == NULL,
                        "vs-8040: item header of inserted item is not specified");
                 vi->vi_item_len = tb->insert_size[0];
                 vi->vi_ih = vn->vn_ins_ih;
@@ -857,7 +857,8 @@ static int get_lfree(struct tree_balance *tb, int h)
         struct buffer_head *l, *f;
         int order;
 
-        if ((f = PATH_H_PPARENT(tb->tb_path, h)) == 0 || (l = tb->FL[h]) == 0)
+        if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL ||
+            (l = tb->FL[h]) == NULL)
                 return 0;
 
         if (f == l)
@@ -878,7 +879,8 @@ static int get_rfree(struct tree_balance *tb, int h)
         struct buffer_head *r, *f;
         int order;
 
-        if ((f = PATH_H_PPARENT(tb->tb_path, h)) == 0 || (r = tb->FR[h]) == 0)
+        if ((f = PATH_H_PPARENT(tb->tb_path, h)) == NULL ||
+            (r = tb->FR[h]) == NULL)
                 return 0;
 
         if (f == r)
diff --git a/fs/reiserfs/lbalance.c b/fs/reiserfs/lbalance.c
index 281f8061ac58..6de060a6aa7f 100644
--- a/fs/reiserfs/lbalance.c
+++ b/fs/reiserfs/lbalance.c
@@ -626,7 +626,7 @@ static void leaf_define_dest_src_infos(int shift_mode, struct tree_balance *tb,
                                "vs-10250: leaf_define_dest_src_infos: shift type is unknown (%d)",
                                shift_mode);
         }
-        RFALSE(src_bi->bi_bh == 0 || dest_bi->bi_bh == 0,
+        RFALSE(!src_bi->bi_bh || !dest_bi->bi_bh,
                "vs-10260: mode==%d, source (%p) or dest (%p) buffer is initialized incorrectly",
                shift_mode, src_bi->bi_bh, dest_bi->bi_bh);
 }
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index b378eea332ca..8867533cb727 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -452,7 +452,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th,
         buflen = DEH_SIZE + ROUND_UP(namelen);
         if (buflen > sizeof(small_buf)) {
                 buffer = kmalloc(buflen, GFP_NOFS);
-                if (buffer == 0)
+                if (!buffer)
                         return -ENOMEM;
         } else
                 buffer = small_buf;