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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro 2008-03-29 03:07:28 +00:00 committed by Linus Torvalds
parent 1076d17ac7
commit 9dce07f1a4
8 changed files with 19 additions and 17 deletions
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8
fs/reiserfs/do_balan.c
View File

@ -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]);

8
fs/reiserfs/fix_node.c
View File

@ -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)

2
fs/reiserfs/lbalance.c
View File

@ -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);
}

2
fs/reiserfs/namei.c
View File

@ -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;

2
fs/smbfs/smbiod.c
View File

@ -206,7 +206,7 @@ int smbiod_retry(struct smb_sb_info *server)
smb_close_socket(server);
if (pid == 0) {
if (!pid) {
/* FIXME: this is fatal, umount? */
printk(KERN_ERR "smb_retry: no connection process\n");
server->state = CONN_RETRIED;

4
kernel/cgroup.c
View File

@ -2082,7 +2082,7 @@ static int cgroup_tasks_open(struct inode *unused, struct file *file)
kfree(pidarray);
} else {
ctr->buf = 0;
ctr->buf = NULL;
ctr->bufsz = 0;
}
file->private_data = ctr;
@ -2614,7 +2614,7 @@ static int proc_cgroupstats_show(struct seq_file *m, void *v)
static int cgroupstats_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_cgroupstats_show, 0);
return single_open(file, proc_cgroupstats_show, NULL);
}
static struct file_operations proc_cgroupstats_operations = {

2
kernel/futex.c
View File

@ -281,7 +281,7 @@ static int get_futex_key(u32 __user *uaddr, struct rw_semaphore *fshared,
*/
static void get_futex_key_refs(union futex_key *key)
{
if (key->both.ptr == 0)
if (key->both.ptr == NULL)
return;
switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
case FUT_OFF_INODE:

8
mm/sparse-vmemmap.c
View File

@ -76,7 +76,7 @@ pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node)
pte_t entry;
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
return 0;
return NULL;
entry = pfn_pte(__pa(p) >> PAGE_SHIFT, PAGE_KERNEL);
set_pte_at(&init_mm, addr, pte, entry);
}
@ -89,7 +89,7 @@ pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
if (pmd_none(*pmd)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
return 0;
return NULL;
pmd_populate_kernel(&init_mm, pmd, p);
}
return pmd;
@ -101,7 +101,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node)
if (pud_none(*pud)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
return 0;
return NULL;
pud_populate(&init_mm, pud, p);
}
return pud;
@ -113,7 +113,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
if (pgd_none(*pgd)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
return 0;
return NULL;
pgd_populate(&init_mm, pgd, p);
}
return pgd;