1 files changed, 12 insertions, 15 deletions

diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index df25ecc418af..4dcc05819998 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -284,11 +284,11 @@ static struct dir_table_slot *find_index(struct inode *ip, u32 index,
                         release_metapage(*mp);
                         *mp = NULL;
                 }
-                if (*mp == 0) {
+                if (!(*mp)) {
                         *lblock = blkno;
                         *mp = read_index_page(ip, blkno);
                 }
-                if (*mp == 0) {
+                if (!(*mp)) {
                         jfs_err("free_index: error reading directory table");
                         return NULL;
                 }
@@ -413,7 +413,8 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
                 }
                 ip->i_size = PSIZE;
 
-                if ((mp = get_index_page(ip, 0)) == 0) {
+                mp = get_index_page(ip, 0);
+                if (!mp) {
                         jfs_err("add_index: get_metapage failed!");
                         xtTruncate(tid, ip, 0, COMMIT_PWMAP);
                         memcpy(&jfs_ip->i_dirtable, temp_table,
@@ -461,7 +462,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
         } else
                 mp = read_index_page(ip, blkno);
 
-        if (mp == 0) {
+        if (!mp) {
                 jfs_err("add_index: get/read_metapage failed!");
                 goto clean_up;
         }
@@ -499,7 +500,7 @@ static void free_index(tid_t tid, struct inode *ip, u32 index, u32 next)
 
         dirtab_slot = find_index(ip, index, &mp, &lblock);
 
-        if (dirtab_slot == 0)
+        if (!dirtab_slot)
                 return;
 
         dirtab_slot->flag = DIR_INDEX_FREE;
@@ -526,7 +527,7 @@ static void modify_index(tid_t tid, struct inode *ip, u32 index, s64 bn,
 
         dirtab_slot = find_index(ip, index, mp, lblock);
 
-        if (dirtab_slot == 0)
+        if (!dirtab_slot)
                 return;
 
         DTSaddress(dirtab_slot, bn);
@@ -552,7 +553,7 @@ static int read_index(struct inode *ip, u32 index,
         struct dir_table_slot *slot;
 
         slot = find_index(ip, index, &mp, &lblock);
-        if (slot == 0) {
+        if (!slot) {
                 return -EIO;
         }
 
@@ -592,10 +593,8 @@ int dtSearch(struct inode *ip, struct component_name * key, ino_t * data,
         struct component_name ciKey;
         struct super_block *sb = ip->i_sb;
 
-        ciKey.name =
-            (wchar_t *) kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t),
-                                GFP_NOFS);
-        if (ciKey.name == 0) {
+        ciKey.name = kmalloc((JFS_NAME_MAX + 1) * sizeof(wchar_t), GFP_NOFS);
+        if (!ciKey.name) {
                 rc = -ENOMEM;
                 goto dtSearch_Exit2;
         }
@@ -957,10 +956,8 @@ static int dtSplitUp(tid_t tid,
         smp = split->mp;
         sp = DT_PAGE(ip, smp);
 
-        key.name =
-            (wchar_t *) kmalloc((JFS_NAME_MAX + 2) * sizeof(wchar_t),
-                                GFP_NOFS);
-        if (key.name == 0) {
+        key.name = kmalloc((JFS_NAME_MAX + 2) * sizeof(wchar_t), GFP_NOFS);
+        if (!key.name) {
                 DT_PUTPAGE(smp);
                 rc = -ENOMEM;
                 goto dtSplitUp_Exit;